/* ==========================================================================
   NAYEEM SHOP - ULTRA PREMIUM COMPACT & SEAMLESS RESPONSIVE DESIGN
   ========================================================================== */

:root {
    --primary: #ff5722;
    --primary-hover: #e64a19;
    --accent-blue: #1e293b;
    --accent-blue-hover: #0f172a;
    --accent-indigo: #4f46e5;
    --dark: #090d16;
    --bg-main: #f5f7fa;
    --card-bg: #ffffff;
    --border-soft: #e5e9f0;
    --input-border: #cbd5e1;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
    --success: #059669;
    --success-bg: #ecfdf5;
    --danger: #e11d48;
    --danger-bg: #fff1f2;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --shadow-soft: 0 1px 3px rgba(0,0,0,0.03), 0 2px 6px rgba(0,0,0,0.02);
}

/* ---------------- 1. Global Reset ---------------- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: 0.15s ease; }

/* স্ক্রিনের সাথে সুন্দরভাবে মিলিয়ে ৯৬% প্রস্থ নির্ধারণ */
.container {
    width: 96%;
    max-width: 1220px;
    margin: 0 auto;
}

/* ---------------- 2. Sleek & Compact Inputs ---------------- */
.form-group {
    margin-bottom: 12px;
    text-align: left;
    width: 100%;
}

.form-group label, label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    margin-bottom: 4px;
    color: #334155;
}

/* স্লিম ও আকর্ষণীয় ইনপুট বক্স */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="date"],
select,
textarea,
.form-control {
    width: 100% !important;
    display: block;
    padding: 8px 11px;
    font-size: 13px;
    color: var(--text-main);
    background-color: var(--white);
    border: 1px solid var(--input-border) !important;
    border-radius: var(--radius-sm);
    outline: none;
    transition: all 0.2s ease;
    font-family: inherit;
}

input:focus, select:focus, textarea:focus, .form-control:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(255, 87, 34, 0.12);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13px;
    border: none;
    cursor: pointer;
    text-align: center;
    transition: 0.15s ease;
}
.btn:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--accent-blue); color: #fff; }
.btn-secondary:hover { background: var(--accent-blue-hover); }
.btn-block { display: block; width: 100% !important; }

/* Alerts */
.alert {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    margin: 10px 0;
    font-size: 13px;
    font-weight: 500;
}
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #a7f3d0; }
.alert-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid #fecaca; }

/* ---------------- 3. Header & Navigation ---------------- */
.top-bar {
    background: var(--dark);
    color: #94a3b8;
    font-size: 11px;
    padding: 5px 0;
}
.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar a { color: #cbd5e1; }

.main-header {
    background: var(--white);
    padding: 8px 0;
    border-bottom: 1px solid var(--border-soft);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.logo-group, .header-inner > div:first-child {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo {
    font-size: 19px;
    font-weight: 800;
    color: var(--primary);
    white-space: nowrap;
    letter-spacing: -0.5px;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--dark);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}
.action-item {
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    background: #f1f5f9;
    padding: 5px 8px;
    border-radius: var(--radius-sm);
}
.badge-count {
    background: var(--primary);
    color: var(--white);
    font-size: 10px;
    padding: 1px 5px;
    border-radius: 999px;
    font-weight: bold;
}

/* Search Bar */
.search-bar {
    flex: 1;
    max-width: 480px;
}
.search-form { display: flex; width: 100%; }
.search-form input {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm) !important;
    border: 1.5px solid var(--primary) !important;
    padding: 7px 10px !important;
    font-size: 12.5px !important;
}
.search-form button {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 0 14px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    font-weight: 700;
    font-size: 12.5px;
}

.navbar { background: var(--white); border-bottom: 1px solid var(--border-soft); }
.nav-links { list-style: none; display: flex; gap: 18px; padding: 8px 0; }
.nav-links a { font-weight: 600; font-size: 13px; color: #334155; }
.nav-links a:hover { color: var(--primary); }

/* ---------------- 4. Hero & Homepage ---------------- */
.hero-slider {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: 12px 0;
}
.hero-slide {
    height: 220px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 0 20px;
    position: relative;
}
.hero-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.68) 0%, rgba(0,0,0,0.1) 100%);
}
.hero-content { position: relative; color: #fff; max-width: 420px; z-index: 2; }
.hero-content h2 { font-size: 19px; font-weight: 800; margin-bottom: 4px; }
.hero-content p { font-size: 12px; margin-bottom: 10px; color: #f1f5f9; }

.features-strip {
    background: var(--white);
    padding: 10px 12px;
    margin: 10px 0;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 8px;
    text-align: center;
}
.feature-box h4 { font-size: 12.5px; font-weight: 700; }
.feature-box p { font-size: 10.5px; color: var(--text-muted); }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 16px 0 10px;
}
.section-header h3, .section-header h2 {
    font-size: 15px;
    font-weight: 700;
    position: relative;
    padding-left: 7px;
}
.section-header h3::before, .section-header h2::before {
    content: '';
    position: absolute;
    left: 0; top: 2px; bottom: 2px;
    width: 3px;
    background: var(--primary);
    border-radius: 2px;
}
.section-header a { font-size: 11.5px; font-weight: 600; color: var(--primary); }

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(105px, 1fr));
    gap: 8px;
}
.category-card {
    background: var(--white);
    padding: 10px 4px;
    border-radius: var(--radius-sm);
    text-align: center;
    border: 1px solid var(--border-soft);
}
.category-card img {
    width: 44px; height: 44px;
    object-fit: cover;
    border-radius: 50%;
    margin: 0 auto 5px;
}
.category-card h4 { font-size: 11.5px; font-weight: 600; }

/* ---------------- 5. Product Cards (Clean Grid) ---------------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 10px;
}
.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-soft);
    display: flex;
    flex-direction: column;
    position: relative;
    box-shadow: var(--shadow-soft);
}
.product-thumb {
    position: relative;
    width: 100%;
    padding-top: 100%;
    background: #f8fafc;
}
.product-thumb img {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}
.discount-badge {
    position: absolute;
    top: 6px; left: 6px;
    background: var(--danger);
    color: #fff;
    font-size: 9.5px;
    font-weight: 700;
    padding: 2px 4px;
    border-radius: 3px;
    z-index: 2;
}
.stock-badge {
    position: absolute;
    top: 6px; right: 6px;
    background: var(--success);
    color: #fff;
    font-size: 9.5px;
    font-weight: 600;
    padding: 2px 5px;
    border-radius: 3px;
    z-index: 2;
}
.product-info {
    padding: 10px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.product-title {
    font-size: 12.5px;
    font-weight: 600;
    margin-bottom: 4px;
    height: 36px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    color: var(--dark);
}
.product-price {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-top: auto;
    margin-bottom: 8px;
}
.current-price { font-size: 14.5px; font-weight: 700; color: var(--primary); }
.old-price { font-size: 11px; text-decoration: line-through; color: var(--text-muted); }
.product-actions { display: flex; gap: 5px; }
.btn-cart {
    flex: 1;
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 7px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 11.5px;
    cursor: pointer;
}
.btn-wishlist {
    background: #f8fafc;
    border: 1px solid var(--border-soft);
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

/* ---------------- 6. Shop Filters (Compact & Dense) ---------------- */
.shop-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 15px;
    margin: 15px auto;
}
.filter-sidebar {
    background: var(--white);
    padding: 12px 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    height: fit-content;
    box-shadow: var(--shadow-soft);
}
.filter-group {
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-soft);
}
.filter-group:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.filter-title { font-size: 13px; font-weight: 700; margin-bottom: 8px; }

/* নো-বুলেট এবং ঘন টাইট বাটন লিংক */
ul.filter-list, .filter-list, .filter-sidebar ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}
ul.filter-list li, .filter-list li, .filter-sidebar ul li {
    list-style: none !important;
    margin-bottom: 4px !important;
}
.filter-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 9px;
    border-radius: 4px;
    color: #475569;
    font-size: 12px;
    font-weight: 500;
    background: #f8fafc;
    border: 1px solid var(--border-soft);
}
.filter-list a:hover, .filter-list a.active {
    background: #fff;
    color: var(--primary);
    border-color: var(--primary);
    font-weight: 700;
}

/* স্লিম প্রাইস বক্স */
.price-inputs { display: flex; gap: 6px; margin-bottom: 6px; }
.price-inputs input {
    height: 32px !important;
    padding: 4px 8px !important;
    font-size: 12px !important;
}
.btn-filter {
    width: 100%;
    background: var(--dark);
    color: #fff;
    border: none;
    height: 32px;
    padding: 0 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

.shop-toolbar {
    background: var(--white);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    box-shadow: var(--shadow-soft);
}
.sort-select {
    height: 32px !important;
    padding: 4px 8px !important;
    width: auto !important;
    font-size: 12px !important;
}

/* ---------------- 7. Product Details (Compact & Blended) ---------------- */
.details-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 20px;
    background: var(--white);
    padding: 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-soft);
    margin: 12px 0;
    box-shadow: var(--shadow-soft);
}
.main-img-box {
    width: 100%; height: 280px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.thumbnails-row { display: flex; gap: 6px; margin-top: 8px; }
.thumb-item { width: 48px; height: 48px; border-radius: 4px; border: 1px solid var(--border-soft); cursor: pointer; object-fit: cover; }
.thumb-item.active { border-color: var(--primary); }

.details-info h1 { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.details-meta { font-size: 12px; color: var(--text-muted); display: flex; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.details-price { display: flex; align-items: baseline; gap: 8px; margin: 10px 0; }
.details-price .price { font-size: 20px; font-weight: 800; color: var(--primary); }

/* স্লিম কোয়ান্টিটি ইনপুট */
.qty-stepper { display: flex; align-items: center; gap: 4px; margin: 12px 0; }
.qty-btn {
    width: 28px; height: 28px;
    border: 1px solid var(--border-soft);
    background: #f1f5f9;
    font-weight: bold;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
}
.qty-input {
    width: 40px !important;
    height: 28px !important;
    text-align: center;
    padding: 0 !important;
    font-size: 13px !important;
}

/* অ্যাকশন বাটন ভ্যারিয়েশন (অরেঞ্জ + ডার্ক ব্লু) */
.action-btns-row { display: flex; gap: 8px; margin-top: 15px; }
.action-btns-row .btn:first-child { background: var(--primary); }
.action-btns-row .btn-secondary { background: var(--accent-blue); }

/* ---------------- 8. Cart, Checkout & Auth Cards ---------------- */
.cart-grid, .checkout-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 15px; margin: 15px 0; }
.cart-card, .summary-card, .auth-card {
    background: var(--white);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-soft);
}
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th { text-align: left; padding-bottom: 8px; border-bottom: 1.5px solid var(--border-soft); font-size: 12px; color: var(--text-muted); }
.cart-table td { padding: 10px 0; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
.cart-prod-cell { display: flex; align-items: center; gap: 8px; }
.cart-prod-cell img { width: 44px; height: 44px; object-fit: cover; border-radius: 4px; }
.summary-row { display: flex; justify-content: space-between; padding: 5px 0; font-size: 13px; }
.summary-total { border-top: 1.5px solid var(--border-soft); margin-top: 5px; padding-top: 8px; font-size: 15px; font-weight: 800; color: var(--primary); }

/* ---------------- 9. Footer ---------------- */
footer { background: var(--dark); color: #94a3b8; margin-top: auto; padding: 25px 0 15px; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 15px; margin-bottom: 15px; }
.footer-col h4 { color: #fff; margin-bottom: 8px; font-size: 13.5px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 5px; font-size: 11.5px; }
.footer-bottom { border-top: 1px solid #1e293b; padding-top: 12px; text-align: center; font-size: 11px; }

/* ==========================================================================
   📱 10. STRICT MOBILE OPTIMIZATION (Max-Width 768px)
   ========================================================================== */
@media (max-width: 768px) {
    /* ফুল স্ক্রিন মেলবন্ধন */
    .container { width: 96% !important; }

    .header-inner {
        display: flex !important;
        flex-wrap: wrap !important;
        align-items: center !important;
        justify-content: space-between !important;
        row-gap: 6px !important;
    }
    .logo-group { order: 1 !important; }
    .header-actions { order: 2 !important; }
    
    /* সার্চবার সম্পূর্ণ প্রস্থ নিয়ে ২য় সারিতে বসবে */
    .search-bar {
        order: 3 !important;
        width: 100% !important;
        max-width: 100% !important;
        flex: 0 0 100% !important;
        margin-top: 2px !important;
    }
    .mobile-nav-toggle { display: block !important; }

    .nav-links {
        display: none;
        flex-direction: column;
        gap: 6px;
        background: #fff;
        padding: 10px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-soft);
        margin: 6px 0;
    }
    .nav-links.active { display: flex; }

    /* গ্রিড একক কলামে এবং কার্ডগুলো স্ক্রিন জুড়ে বসবে */
    .shop-layout,
    .details-wrapper,
    .cart-grid,
    .checkout-grid,
    [style*="grid-template-columns: 240px 1fr"],
    [style*="grid-template-columns:1fr 1fr"],
    [style*="grid-template-columns: 1fr 1.2fr"] {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
        padding: 12px !important;
    }

    .main-img-box { height: 230px !important; }
    .hero-slide { height: 160px !important; padding: 0 12px !important; }
    .hero-content h2 { font-size: 15px !important; }

    /* মোবাইলে ২ কলাম প্রোডাক্ট কার্ড */
    .category-grid { grid-template-columns: repeat(3, 1fr) !important; gap: 6px !important; }
    .product-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 8px !important; }
    .product-info { padding: 8px !important; }
    .product-title { font-size: 11.5px !important; height: 32px !important; }
    .current-price { font-size: 13.5px !important; }

    /* অ্যাকশন বাটন পাশাপাশি সুন্দরভাবে অবস্থান করবে */
    .action-btns-row { flex-direction: column !important; gap: 6px !important; }
    .action-btns-row .btn { width: 100% !important; padding: 9px !important; }

    /* কার্ট টেবিল মোবাইল ভিউ */
    .cart-table thead { display: none !important; }
    .cart-table, .cart-table tbody, .cart-table tr, .cart-table td { display: block !important; width: 100% !important; }
    .cart-table tr { border-bottom: 1.5px solid var(--border-soft) !important; margin-bottom: 8px !important; padding-bottom: 6px !important; }
    .cart-table td { text-align: right !important; padding: 4px 0 !important; border-bottom: none !important; }
    .cart-table td::before { content: attr(data-label); float: left; font-weight: 600; color: var(--text-muted); font-size: 11.5px; }
}