/* ============================================================ */
/* থিম ভ্যারিয়েবল - ডার্ক (ডিফল্ট) ও লাইট মোড                  */
/* ============================================================ */
:root {
    --primary: #2563EB;
    --secondary: #4F46E5;
    --accent: #7C3AED;
    --success: #22C55E;
    --warning: #F59E0B;
    --danger: #EF4444;

    --bg: #0F172A;
    --bg-elevated: #1E293B;
    --heading: #ffffff;
    --s2: rgba(255,255,255,.02);
    --s3: rgba(255,255,255,.03);
    --s4: rgba(255,255,255,.04);
    --s6: rgba(255,255,255,.06);
    --s8: rgba(255,255,255,.08);
    --s10: rgba(255,255,255,.10);
    --s14: rgba(255,255,255,.14);
    --s15: rgba(255,255,255,.15);
    --s18: rgba(255,255,255,.18);
    --s20: rgba(255,255,255,.20);
    --t80: rgba(255,255,255,.8);
    --t70: rgba(255,255,255,.7);
    --t60: rgba(255,255,255,.6);
    --t50: rgba(255,255,255,.5);
    --t40: rgba(255,255,255,.4);
    --t30: rgba(255,255,255,.3);
    --navbg-60: rgba(15,23,42,.6);
    --navbg-70: rgba(15,23,42,.7);
    --navbg-80: rgba(15,23,42,.8);
    --navbg-90: rgba(15,23,42,.9);
    --navbg-92: rgba(15,23,42,.92);
    --shadow-color: rgba(0,0,0,.3);
    --card-bg: rgba(30,41,59,.6);
    --card-border: rgba(255,255,255,.08);
    --color-scheme: dark;
}

[data-theme="light"] {
    --bg: #F8FAFC;
    --bg-elevated: #ffffff;
    --heading: #111827;
    --s2: rgba(17,24,39,.025);
    --s3: rgba(17,24,39,.035);
    --s4: rgba(17,24,39,.045);
    --s6: rgba(17,24,39,.055);
    --s8: rgba(17,24,39,.07);
    --s10: rgba(17,24,39,.09);
    --s14: rgba(17,24,39,.13);
    --s15: rgba(17,24,39,.14);
    --s18: rgba(17,24,39,.18);
    --s20: rgba(17,24,39,.20);
    --t80: rgba(17,24,39,.82);
    --t70: rgba(17,24,39,.72);
    --t60: rgba(17,24,39,.60);
    --t50: rgba(107,114,128,1);
    --t40: rgba(17,24,39,.40);
    --t30: rgba(17,24,39,.30);
    --navbg-60: rgba(255,255,255,.75);
    --navbg-70: rgba(255,255,255,.85);
    --navbg-80: rgba(255,255,255,.90);
    --navbg-90: rgba(255,255,255,.95);
    --navbg-92: rgba(255,255,255,.97);
    --shadow-color: rgba(37,99,235,.08);
    --card-bg: rgba(255,255,255,.75);
    --card-border: #E5E7EB;
    --color-scheme: light;
}

/* ============================================================ */
/* RESET & BASE                                                */
/* ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { color-scheme: var(--color-scheme); overflow-x: hidden; max-width: 100%; }

body {
    font-family: 'Inter', 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
    background: var(--bg);
    color: var(--heading);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'ss01' on, 'cv01' on;
    letter-spacing: -0.01em;
    min-height: 100vh;
    transition: background .3s ease, color .3s ease;
    position: relative;
    overflow-x: hidden;
    max-width: 100%;
}

/* ---- অরোরা ব্যাকগ্রাউন্ড গ্লো (দুই থিমেই, লাইট মোডে গ্লাসমরফিজম প্রাণবন্ত করতে) ---- */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background:
        radial-gradient(ellipse 900px 600px at 8% -5%, rgba(37,99,235,0.14), transparent 60%),
        radial-gradient(ellipse 800px 600px at 95% 10%, rgba(124,58,237,0.11), transparent 60%),
        radial-gradient(ellipse 700px 500px at 50% 100%, rgba(79,70,229,0.07), transparent 60%);
}
[data-theme="dark"] body::before {
    background:
        radial-gradient(ellipse 900px 600px at 8% -5%, rgba(37,99,235,0.16), transparent 60%),
        radial-gradient(ellipse 800px 600px at 95% 10%, rgba(124,58,237,0.13), transparent 60%),
        radial-gradient(ellipse 700px 500px at 50% 100%, rgba(79,70,229,0.08), transparent 60%);
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { width: 92%; max-width: 1200px; margin: 0 auto; padding: 0 12px; }

.glass-effect {
    background: var(--s6);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    border: 1px solid var(--s10);
    border-radius: 22px;
    box-shadow: 0 8px 32px var(--shadow-color);
    transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
}
[data-theme="light"] .glass-effect {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: 0 2px 8px rgba(20,15,50,.04), 0 12px 32px var(--shadow-color);
}
.glass-effect:hover {
    background: var(--s10);
    border-color: var(--s18);
    box-shadow: 0 8px 28px rgba(37,99,235,0.1);
}
[data-theme="light"] .glass-effect:hover {
    background: #ffffff;
    box-shadow: 0 3px 10px rgba(20,15,50,.05), 0 10px 26px rgba(37,99,235,.09);
}

.btn-primary, .btn-glass {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 26px; border-radius: 14px; font-size: 0.88rem; font-weight: 600;
    cursor: pointer; transition: all 0.3s cubic-bezier(0.16,1,0.3,1); border: none;
    font-family: 'Inter', 'Hind Siliguri', sans-serif;
    white-space: nowrap;
    letter-spacing: 0.1px;
}
.btn-primary { background: linear-gradient(135deg,#2563EB,#4F46E5); color:#fff; box-shadow:0 3px 12px rgba(37,99,235,0.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(37,99,235,0.38); filter: brightness(1.05); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 4px 14px rgba(37,99,235,0.3); }
.btn-glass { background: var(--s6); color:var(--heading); border:1px solid var(--s15); font-weight:500; backdrop-filter: blur(10px); }
.btn-glass:hover { background: var(--s14); transform: translateY(-2px); border-color: rgba(37,99,235,.4); box-shadow: 0 8px 20px var(--shadow-color); }
.btn-glass:active { transform: translateY(0); }
.btn-primary:disabled, .btn-glass:disabled { opacity: .5; cursor: not-allowed; transform:none; box-shadow:none; }
[data-theme="light"] .btn-glass { background: #ffffff; border-color: var(--card-border); box-shadow: 0 2px 6px rgba(20,15,50,.05); }

.navbar { position: sticky; top:0; z-index:1000; background: var(--navbg-80); backdrop-filter: blur(24px); border-bottom:1px solid var(--s6); }
.nav-container { display:flex; align-items:center; justify-content:space-between; height:68px; padding:0 12px; }
.logo { display:flex; align-items:center; gap:8px; font-size:1.3rem; font-weight:800; color:var(--heading); }
.logo i { color:#2563EB; }
.logo span { background: linear-gradient(135deg,#2563EB,#4F46E5); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.logo-img { height:38px; max-width:160px; object-fit:contain; display:block; transition: filter .3s ease; }
[data-theme="dark"] .logo-img { filter: brightness(0) invert(1); }
.drawer-brand .logo-img { height:32px; }
.nav-links { display:flex; align-items:center; gap:32px; }
.nav-links a { font-size:0.9rem; font-weight:500; color:var(--t60); position:relative; transition:.3s; }
.nav-links a:hover, .nav-links a.active { color:var(--heading); }
.nav-links a.active::after { content:''; position:absolute; bottom:-4px; left:0; width:100%; height:2px; background:linear-gradient(135deg,#2563EB,#4F46E5); border-radius:2px; }
.nav-actions { display:flex; align-items:center; gap:4px; }
.icon-btn { position:relative; width:38px; height:38px; display:flex; align-items:center; justify-content:center; border:none; background:var(--s4); color:var(--t70); font-size:1rem; border-radius:50%; cursor:pointer; transition: all .25s cubic-bezier(0.4,0,0.2,1); }
.icon-btn:hover { background: rgba(37,99,235,.1); color:#2563EB; transform: translateY(-1px); }
.icon-btn:active { transform: translateY(0) scale(.94); }
.icon-btn .badge { position:absolute; top:2px; right:2px; background:#EF4444; color:#fff; font-size:.55rem; font-weight:700; width:18px; height:18px; border-radius:50%; display:flex; align-items:center; justify-content:center; box-shadow:0 0 0 2px var(--bg); }
[data-theme="light"] .icon-btn { background: #ffffff; box-shadow: 0 2px 6px rgba(20,15,50,.05); border: 1px solid var(--card-border); }
.menu-toggle { display:none; }

.search-expand { max-height:0; overflow:hidden; transition:max-height .4s cubic-bezier(.4,0,.2,1); background:var(--navbg-90); backdrop-filter: blur(20px); }
.search-expand.open { max-height:80px; }
.search-wrapper { display:flex; align-items:center; gap:14px; padding:14px 20px; background:var(--s4); border-radius:16px; border:1px solid var(--s6); }
.search-wrapper i { color:var(--t40); }
.search-wrapper input { flex:1; border:none; outline:none; background:transparent; color:var(--heading); font-size:.95rem; padding:8px 0; font-family:inherit; }
.btn-close-search { background:none; border:none; color:var(--t40); font-size:1.1rem; cursor:pointer; }

.mobile-nav-overlay { position:fixed; inset:0; background:rgba(0,0,0,.6); backdrop-filter: blur(8px); z-index:1001; opacity:0; pointer-events:none; transition:opacity .4s; }
.mobile-nav-overlay.open { opacity:1; pointer-events:all; }
.mobile-nav-drawer { position:fixed; top:0; right:-420px; width:380px; max-width:88vw; height:100vh; background:var(--navbg-92); backdrop-filter: blur(30px); border-left:1px solid var(--s6); transition:right .4s cubic-bezier(.4,0,.2,1); z-index:1002; display:flex; flex-direction:column; }
.mobile-nav-drawer.open { right:0; }
.drawer-header { display:flex; align-items:center; justify-content:space-between; padding:22px 24px 18px; border-bottom:1px solid var(--s6); }
.drawer-brand { display:flex; align-items:center; gap:10px; font-size:1.2rem; font-weight:800; }
.drawer-brand span { background:linear-gradient(135deg,#2563EB,#4F46E5); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.drawer-close { width:38px; height:38px; border-radius:50%; border:1px solid var(--s8); background:var(--s4); color:var(--t60); cursor:pointer; }
.drawer-body { flex:1; overflow-y:auto; padding:20px 24px 24px; display:flex; flex-direction:column; gap:6px; }
.drawer-search { display:flex; align-items:center; gap:12px; padding:12px 18px; background:var(--s4); border-radius:14px; border:1px solid var(--s6); margin-bottom:16px; }
.drawer-search input { flex:1; border:none; outline:none; background:transparent; color:var(--heading); font-family:inherit; }
.drawer-nav a, .drawer-secondary a { display:flex; align-items:center; gap:14px; padding:12px 16px; border-radius:12px; font-weight:500; font-size:.9rem; color:var(--t60); }
.drawer-nav a:hover, .drawer-secondary a:hover { background:var(--s6); color:var(--heading); }
.drawer-nav a.active { background:rgba(37,99,235,.15); color:#2563EB; }
.drawer-nav a i, .drawer-secondary a i { width:20px; text-align:center; }
.drawer-divider { border:none; border-top:1px solid var(--s6); margin:8px 0; }
.drawer-badge { margin-left:auto; background:#EF4444; color:#fff; font-size:.6rem; font-weight:700; padding:2px 10px; border-radius:6px; }

/* ---- থিম/ভাষা টগল সুইচ ---- */
.theme-switch, .lang-switch { background:none; border:none; cursor:pointer; padding:0; flex-shrink:0; }

/* হেডারের থিম বাটন এখন সার্চ/কার্ট/মেনুর মতোই একটা সাধারণ আইকন বাটন, সুইচ-পিল নয়, এবং একই নিরপেক্ষ আইকন রঙ */
.icon-btn.theme-switch { background: var(--s4); gap:0; }
[data-theme="light"] .icon-btn.theme-switch { background:#ffffff; box-shadow:0 2px 6px rgba(20,15,50,.05); border:1px solid var(--card-border); }
.icon-btn.theme-switch i, .icon-btn.theme-switch svg { position:absolute; font-size:.98rem; color:var(--t70); transition: transform .35s cubic-bezier(0.16,1,0.3,1), opacity .25s ease, color .25s ease; }
.icon-btn.theme-switch:hover i, .icon-btn.theme-switch:hover svg { color:#2563EB; }
.icon-btn.theme-switch .theme-icon-moon { opacity:0; transform: rotate(-40deg) scale(.6); }
.icon-btn.theme-switch .theme-icon-sun { opacity:1; transform: rotate(0) scale(1); }
[data-theme="dark"] .icon-btn.theme-switch .theme-icon-sun { opacity:0; transform: rotate(40deg) scale(.6); }
[data-theme="dark"] .icon-btn.theme-switch .theme-icon-moon { opacity:1; transform: rotate(0) scale(1); }

/* ড্রয়ারের থিম ও ভাষা টগল — একই সাইজ, ১০০% গোল, ফ্ল্যাট নরমাল ডিজাইন (গ্লসি/3D নয়) */
.theme-switch-track, .lang-switch-track {
    position: relative;
    display: flex;
    align-items: center;
    width: 60px;
    height: 32px;
    border-radius: 9999px;
    background: var(--s8);
    border: 1px solid var(--s10);
    padding: 0 3px;
    transition: background .3s ease, border-color .3s ease;
}
.theme-switch:hover .theme-switch-track,
.lang-switch:hover .lang-switch-track { border-color: rgba(37,99,235,.3); }
.theme-switch-icon { display:flex; align-items:center; justify-content:center; flex:1; position:relative; z-index:1; color:var(--t40); transition: color .3s ease; }
.theme-switch-icon.sun { color:#F59E0B; }
[data-theme="dark"] .theme-switch-icon.moon { color:#A5B4FC; }
[data-theme="dark"] .theme-switch-icon.sun { color:var(--t40); }
.theme-switch-knob {
    position: absolute; top: 3px; left: 3px;
    width: 26px; height: 26px; border-radius: 50%;
    background: linear-gradient(135deg,#2563EB,#4F46E5);
    transition: transform .3s cubic-bezier(0.16,1,0.3,1);
}
[data-theme="dark"] .theme-switch-knob { transform: translateX(28px); }

/* ভাষা টগল — আগে নব-এর উপর টেক্সট আর ট্র্যাকের টেক্সট ওভারল্যাপ করে "3D" এমবস দেখাতো;
   এখন নব শুধু একটা ফ্ল্যাট হাইলাইট, টেক্সট শুধু স্ট্যাটিক লেবেলে, সক্রিয় লেবেল সাদা+বোল্ড */
.lang-switch-label { flex:1; text-align:center; font-size:.66rem; font-weight:600; color:var(--t50); z-index:1; position:relative; transition: color .25s ease, font-weight .25s ease; }
.lang-switch[aria-checked="false"] .lang-switch-label.bn,
.lang-switch[aria-checked="true"] .lang-switch-label.en { color:#fff; font-weight:700; }
.lang-switch-knob {
    position: absolute; top: 3px; left: 3px;
    width: 27px; height: 26px; border-radius: 9999px;
    background: linear-gradient(135deg,#2563EB,#4F46E5);
    transition: transform .3s cubic-bezier(0.16,1,0.3,1);
    z-index: 0;
}
.lang-switch[aria-checked="true"] .lang-switch-knob { transform: translateX(27px); }

.drawer-toggle-row { display:flex; align-items:center; justify-content:space-between; padding:12px 16px; }
.drawer-toggle-label { display:flex; align-items:center; gap:14px; font-size:.88rem; color:var(--t60); font-weight:500; }
.drawer-toggle-label i { width:20px; text-align:center; color:#2563EB; }
.drawer-footer { margin-top:auto; padding-top:16px; border-top:1px solid var(--s6); display:flex; align-items:center; justify-content:space-between; }

.hero { padding:40px 0 28px; }
.hero-grid { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; padding:40px 44px; background:var(--s3); }
.hero-text { display:flex; flex-direction:column; gap:18px; }
.hero-tag { display:inline-block; background:rgba(37,99,235,.15); color:#2563EB; padding:5px 14px; border-radius:8px; font-size:.75rem; font-weight:600; width:fit-content; }
.hero-text h1 { font-size:3rem; font-weight:800; line-height:1.08; letter-spacing:-0.03em; }
.hero-text p { font-size:1rem; color:var(--t60); line-height:1.7; max-width:480px; }
.hero-buttons { display:flex; gap:16px; flex-wrap:wrap; }
.hero-stats { display:flex; gap:40px; margin-top:12px; padding-top:20px; border-top:1px solid var(--s6); }
.hero-stats div { display:flex; flex-direction:column; }
.stat-number { font-size:1.5rem; font-weight:700; }
.stat-label { font-size:.75rem; color:var(--t40); }
.hero-image-wrapper { position:relative; border-radius:24px; overflow:hidden; }
.hero-image-wrapper img { width:100%; height:380px; object-fit:cover; }
.floating-badge { position:absolute; padding:9px 16px; border-radius:14px; font-size:.8rem; font-weight:600; display:flex; align-items:center; gap:8px; background:var(--navbg-70); backdrop-filter:blur(12px); border:1px solid var(--s6); }
.floating-badge.top-right { top:18px; right:18px; }
.floating-badge.bottom-left { bottom:18px; left:18px; }
.floating-badge i { color:#F59E0B; }

.section-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; }
.section-header h2 { font-size:1.5rem; font-weight:700; letter-spacing:-0.02em; display:flex; align-items:center; gap:12px; }
.section-header h2 i { color:#2563EB; }
.view-all { font-size:.85rem; font-weight:500; color:var(--t50); }
.view-all:hover { color:#2563EB; }

.categories { padding:16px 0 28px; }
.category-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(110px,1fr)); gap:16px; min-width:0; }
.category-card { display:flex; flex-direction:column; align-items:center; gap:8px; padding:20px 12px; background:var(--s3); border-radius:20px; border:1px solid var(--s6); transition: all .3s cubic-bezier(0.16,1,0.3,1); color:var(--t80); font-weight:500; font-size:.8rem; }
.category-card:hover { border-color:rgba(37,99,235,.3); transform:translateY(-6px) scale(1.02); background:rgba(37,99,235,.06); }
.category-card i { font-size:1.8rem; color:#2563EB; }

.products { padding:24px 0; }
.product-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:22px; }
.product-card { padding:16px; background:var(--s3); border-radius:20px; border:1px solid var(--s6); transition:all .35s cubic-bezier(0.16,1,0.3,1); min-width:0; max-width:100%; }
.product-card:hover { transform:translateY(-6px); border-color:rgba(37,99,235,.22); box-shadow:0 14px 34px var(--shadow-color); }
.product-image { position:relative; background:var(--s2); padding:16px; aspect-ratio:1/1.05; border-radius:16px; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.product-image img { width:100%; height:100%; object-fit:contain; transition:.5s ease; }
.product-card:hover .product-image img { transform:scale(1.05); }
.badge-tag { position:absolute; top:12px; left:12px; padding:4px 11px; border-radius:8px; font-size:.65rem; font-weight:700; color:#fff; text-transform:uppercase; }
.badge-tag.discount { background:linear-gradient(135deg,#EF4444,#DC2626); }
.badge-tag.best { background:linear-gradient(135deg,#2563EB,#1E40AF); }
.badge-tag.new { background:linear-gradient(135deg,#22C55E,#16A34A); }
.badge-tag.hot { background:linear-gradient(135deg,#F59E0B,#D97706); }
.badge-tag.outofstock { background: linear-gradient(135deg,#555,#333); }
.wishlist-btn, .quick-view-btn { position:absolute; width:34px; height:34px; border-radius:50%; border:1px solid var(--s6); background:var(--navbg-60); backdrop-filter:blur(8px); color:var(--t60); cursor:pointer; display:flex; align-items:center; justify-content:center; opacity:0; transform:scale(.8); transition:.3s; }
.product-card:hover .wishlist-btn, .product-card:hover .quick-view-btn { opacity:1; transform:scale(1); }
.wishlist-btn { top:12px; right:12px; }
.wishlist-btn.active { color:#EF4444; background: rgba(239,68,68,.15); opacity:1; transform:scale(1); }
.quick-view-btn { bottom:12px; right:12px; }
.product-body { padding:12px 4px 4px; }
.product-body h3 { font-size:.9rem; font-weight:600; margin-bottom:4px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.product-rating { font-size:.72rem; color:#f59e0b; margin-bottom:6px; }
.product-rating span { color:var(--t40); margin-left:4px; }
.product-pricing { display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.price-current { font-size:1.1rem; font-weight:700; }
.price-original { font-size:.8rem; color:var(--t30); text-decoration:line-through; }
.add-to-cart { width:100%; padding:9px; border:1px solid var(--s6); border-radius:12px; background:var(--s4); color:var(--t80); font-weight:600; font-size:.78rem; cursor:pointer; transition: all .25s ease; display:flex; align-items:center; justify-content:center; gap:8px; font-family:inherit; }
.add-to-cart:hover { background:linear-gradient(135deg,#2563EB,#4F46E5); color:#fff; border-color:transparent; }

.flash-sale { padding:28px 0; }
.flash-wrapper { padding:40px 36px; text-align:center; background:var(--s3); }
.flash-content h2 { font-size:2rem; font-weight:700; margin-bottom:6px; }
.countdown { display:flex; justify-content:center; gap:12px; margin-bottom:28px; }
.time-block { padding:12px 22px; border-radius:16px; min-width:68px; background:var(--s4); border:1px solid var(--s6); }
.time-block span { display:block; font-size:2rem; font-weight:800; }
.time-block label { font-size:.65rem; color:var(--t30); text-transform:uppercase; }
.separator { font-size:1.8rem; font-weight:300; color:var(--s10); display:flex; align-items:center; }

.offer-section { padding:20px 0; }
.offer-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:24px; }
.offer-card { padding:30px 24px; text-align:center; background:var(--s3); transition:.4s; }
.offer-card:hover { transform:translateY(-6px); }
.offer-icon { font-size:2.5rem; color:#2563EB; margin-bottom:12px; }
.offer-code { display:inline-block; margin:12px 0 16px; padding:4px 14px; background:rgba(37,99,235,.15); color:#2563EB; border-radius:8px; font-size:.8rem; font-weight:600; }

.reviews { padding:20px 0 28px; }
.review-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(250px,1fr)); gap:22px; }
.review-card { padding:22px 24px; background:var(--s3); }
.review-header { display:flex; align-items:center; gap:14px; margin-bottom:10px; }
.review-header img { width:44px; height:44px; border-radius:50%; object-fit:cover; border:2px solid rgba(37,99,235,.3); }
.review-header .rating { font-size:.7rem; color:#f59e0b; }

.brands { padding:16px 0 28px; }
.brand-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(130px,1fr)); gap:16px; }
.brand-item { display:flex; align-items:center; justify-content:center; gap:10px; padding:18px; background:var(--s3); border-radius:18px; border:1px solid var(--s6); font-weight:500; color:var(--t70); }

[data-theme="light"] .category-card,
[data-theme="light"] .product-card,
[data-theme="light"] .offer-card,
[data-theme="light"] .review-card,
[data-theme="light"] .brand-item {
    background: var(--card-bg);
    border-color: var(--card-border);
    box-shadow: 0 2px 8px rgba(20,15,50,.04);
}
[data-theme="light"] .product-card:hover,
[data-theme="light"] .category-card:hover,
[data-theme="light"] .offer-card:hover {
    background: #ffffff;
    box-shadow: 0 12px 32px rgba(37,99,235,.12);
}

.newsletter { padding:16px 0 28px; }
.newsletter-wrapper { padding:32px 36px; display:flex; align-items:center; justify-content:space-between; gap:28px; flex-wrap:wrap; background:var(--s3); }
.newsletter-form { flex:1; max-width:480px; display:flex; justify-content:flex-end; }
.newsletter-input-wrapper { display:flex; align-items:center; background:var(--s4); border-radius:16px; border:1.5px solid var(--s6); padding:4px 4px 4px 18px; width:100%; transition: border-color .2s ease, box-shadow .2s ease; }
.newsletter-input-wrapper:focus-within { border-color: #2563EB; box-shadow: 0 0 0 4px rgba(37,99,235,.12); }
[data-theme="light"] .newsletter-input-wrapper { background: #ffffff; border-color: var(--card-border); }
.newsletter-input-wrapper input { flex:1; padding:12px 0; border:none; outline:none; background:transparent; color:var(--heading); font-family:inherit; min-width:0; }
.newsletter-input-wrapper .btn-subscribe { padding:10px 24px; background:linear-gradient(135deg,#2563EB,#4F46E5); color:#fff; border:none; border-radius:12px; font-weight:600; cursor:pointer; white-space:nowrap; display:flex; align-items:center; gap:8px; transition: transform .2s ease, box-shadow .2s ease; }
.newsletter-input-wrapper .btn-subscribe:hover { transform: scale(1.03); box-shadow: 0 4px 16px rgba(37,99,235,.35); }

.footer { border-top:1px solid var(--s4); padding:44px 0 22px; margin-top:16px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:36px; margin-bottom:28px; }
.footer-col p { color:var(--t40); font-size:.85rem; max-width:240px; }
.footer-col h4 { font-size:.9rem; font-weight:600; margin-bottom:14px; }
.footer-col ul li { margin-bottom:8px; }
.footer-col ul li a { color:var(--t40); font-size:.82rem; }
.footer-col ul li a:hover { color:var(--heading); }
.social-links { display:flex; gap:10px; margin-top:14px; }
.social-links a { width:38px; height:38px; border-radius:50%; background:var(--s4); border:1px solid var(--s6); display:flex; align-items:center; justify-content:center; color:var(--t50); }
.footer-bottom { border-top:1px solid var(--s4); padding-top:20px; color:var(--s20); font-size:.78rem; }

/* ---- ফুটার অ্যাকর্ডিয়ন (মোবাইলে কোলাপসিবল, ডেস্কটপে সবসময় খোলা) ---- */
.footer-accordion summary { list-style:none; cursor:default; }
.footer-accordion summary::-webkit-details-marker { display:none; }
.footer-accordion summary h4 { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.accordion-arrow { display:none; font-size:.7rem; color:var(--t40); transition:transform .3s ease; }
@media (min-width: 769px) {
    .footer-accordion summary { pointer-events:none; }
}
@media (max-width: 768px) {
    .footer-accordion summary { cursor:pointer; padding:6px 0; }
    .footer-accordion summary h4 { margin-bottom:0; }
    .accordion-arrow { display:block; }
    .footer-accordion[open] .accordion-arrow { transform:rotate(180deg); }
    .footer-accordion ul { padding:10px 0 6px; }
    .footer-accordion { border-bottom:1px solid var(--s4); }
    .footer-brand-col { text-align:left; }
}

.whatsapp-float { position:fixed; bottom:24px; right:24px; width:56px; height:56px; background:rgba(37,211,102,.2); backdrop-filter:blur(12px); border:1px solid rgba(37,211,102,.2); color:#25D366; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.8rem; z-index:999; }
.scroll-top { position:fixed; bottom:88px; right:24px; width:42px; height:42px; border-radius:50%; background:var(--s4); border:1px solid var(--s6); color:var(--t60); cursor:pointer; opacity:0; visibility:hidden; z-index:998; transition:.3s; }
.scroll-top.show { opacity:1; visibility:visible; }

/* ---------------- AUTH / ACCOUNT / CART / CHECKOUT (extended) ---------------- */
.page-section { padding: 40px 0 60px; }
.auth-box { max-width: 440px; margin: 0 auto; padding: 40px 36px; background: var(--s3); }
[data-theme="light"] .auth-box { background: var(--card-bg); }
.auth-box h1 { font-size: 1.6rem; margin-bottom: 6px; }
.auth-box .sub { color: var(--t50); font-size: .85rem; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display:block; font-size:.85rem; margin-bottom:8px; color: var(--t70); font-weight:500; }
.form-control {
    width:100%; padding: 10px 14px; border-radius: 12px; border:1.5px solid var(--s10);
    background: var(--s4); color:var(--heading); font-family:inherit; font-size:.86rem; outline:none;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
[data-theme="light"] .form-control { background: #ffffff; border-color: var(--card-border); box-shadow: 0 1px 3px rgba(20,15,50,.03); }
.form-control:hover { border-color: var(--s18); }
.form-control:focus { border-color: #2563EB; box-shadow: 0 0 0 4px rgba(37,99,235,.12); }
.form-control::placeholder { color: var(--t30); }
select.form-control {
    appearance: none; -webkit-appearance: none; -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236C3CE1' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}
select.form-control option { background: var(--bg-elevated); color: var(--heading); }
textarea.form-control { resize: vertical; min-height:100px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; min-width:0; }
.form-row > * { min-width: 0; }
.form-actions { margin-top: 24px; }
.form-actions .btn-primary { width:100%; justify-content:center; }
.auth-footer { margin-top: 20px; text-align:center; font-size:.85rem; color: var(--t50); }
.auth-footer a { color:#2563EB; font-weight:600; }

input[type="checkbox"], input[type="radio"] { accent-color: #2563EB; width:16px; height:16px; cursor:pointer; }

.alert { padding: 14px 20px; border-radius: 14px; margin-bottom: 20px; font-size: .88rem; display:flex; align-items:center; gap:10px; }
.alert-success { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.3); color:#22C55E; }
.alert-error { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.3); color:#EF4444; }

.breadcrumb { font-size: .82rem; color: var(--t40); margin-bottom: 24px; }
.breadcrumb a { color: var(--t60); }
.breadcrumb a:hover { color: #2563EB; }

.cart-table { width:100%; border-collapse: separate; border-spacing: 0 12px; min-width: 480px; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; }
.cart-row { background: var(--s3); }
.cart-row td { padding: 16px; border-top:1px solid var(--s6); border-bottom:1px solid var(--s6); }
.cart-row td:first-child { border-left:1px solid var(--s6); border-radius:16px 0 0 16px; }
.cart-row td:last-child { border-right:1px solid var(--s6); border-radius:0 16px 16px 0; }
.cart-product { display:flex; align-items:center; gap:14px; }
.cart-product img { width:60px; height:60px; object-fit:cover; border-radius:10px; }
.qty-control { display:flex; align-items:center; gap:0; border:1.5px solid var(--s10); border-radius:12px; width: fit-content; background: var(--s3); overflow:hidden; }
.qty-control button { width:32px; height:32px; background:none; border:none; color:var(--heading); cursor:pointer; font-size:1rem; transition: background .2s ease; }
.qty-control button:hover { background: rgba(37,99,235,.12); color:#2563EB; }
.qty-control input { width:40px; text-align:center; background:transparent; border:none; color:var(--heading); font-family:inherit; }
.remove-item { color: var(--t40); cursor:pointer; }
.remove-item:hover { color:#EF4444; }
.cart-summary { padding: 24px; background: var(--s3); }
.summary-row { display:flex; justify-content:space-between; padding: 10px 0; font-size:.9rem; color: var(--t70); }
.summary-row.total { border-top:1px solid var(--s8); margin-top:8px; padding-top:16px; font-size:1.1rem; font-weight:700; color:var(--heading); }
.coupon-box { display:flex; gap:10px; margin: 16px 0; }
.coupon-box input { flex:1; }

.checkout-grid { display:grid; grid-template-columns: 1.6fr 1fr; gap: 28px; align-items:start; min-width:0; }
.checkout-grid > * { min-width: 0; }
.payment-options { display:grid; grid-template-columns: repeat(2,1fr); gap:12px; margin-top:8px; }
.payment-option { display:flex; align-items:center; gap:10px; padding:14px 16px; border-radius:14px; border:1px solid var(--s8); background: var(--s3); cursor:pointer; font-size:.85rem; }
.payment-option input { accent-color:#2563EB; }
.payment-option.selected { border-color:#2563EB; background: rgba(37,99,235,.08); }

.empty-state { text-align:center; padding: 60px 20px; color: var(--t50); }
.empty-state i { font-size:3rem; color: var(--s15); margin-bottom:16px; }

.stock-badge { font-size:.75rem; padding: 4px 10px; border-radius:8px; display:inline-block; }
.stock-badge.in { background: rgba(34,197,94,.12); color:#22C55E; }
.stock-badge.low { background: rgba(245,158,11,.12); color:#F59E0B; }
.stock-badge.out { background: rgba(239,68,68,.12); color:#EF4444; }

.pd-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.pd-gallery-main { border-radius:20px; overflow:hidden; background: var(--s3); aspect-ratio:1; display:flex; align-items:center; justify-content:center; }
.pd-thumbs { display:flex; gap:10px; margin-top: 12px; }
.pd-thumbs img { width:64px; height:64px; object-fit:cover; border-radius:12px; cursor:pointer; border:2px solid transparent; opacity:.6; }
.pd-thumbs img.active { border-color:#2563EB; opacity:1; }
.pd-title { font-size:1.6rem; font-weight:700; margin-bottom:8px; }
.pd-meta { font-size:.82rem; color: var(--t40); margin-bottom:16px; }
.pd-price { display:flex; align-items:center; gap:14px; margin: 16px 0; }
.pd-price .price-current { font-size:1.8rem; }
.pd-qty-row { display:flex; gap:14px; margin: 24px 0; }
.pd-tabs { display:flex; gap:24px; border-bottom:1px solid var(--s8); margin: 40px 0 20px; }
.pd-tabs button { background:none; border:none; color: var(--t50); padding: 10px 0; font-size:.95rem; cursor:pointer; border-bottom:2px solid transparent; font-family:inherit; }
.pd-tabs button.active { color:var(--heading); border-color:#2563EB; }
.share-buttons { display:flex; gap:8px; margin-top: 20px; }
.share-buttons a { width:36px; height:36px; border-radius:50%; display:flex; align-items:center; justify-content:center; background: var(--s4); border:1px solid var(--s8); color: var(--t60); }

.filters-bar { display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-bottom: 24px; padding: 14px 18px; background: var(--s3); border-radius:16px; border:1px solid var(--s6); }
[data-theme="light"] .filters-bar { background: var(--card-bg); border-color: var(--card-border); }
.filters-bar select, .filters-bar input { padding: 9px 14px; font-size: .82rem; min-width: 0; }
.filters-bar select { padding-right: 34px; }
.filters-bar .btn-primary { padding: 9px 20px; font-size: .82rem; }

.pagination { display:flex; justify-content:center; gap:8px; margin-top: 32px; }
.pagination a, .pagination span { width:38px; height:38px; display:flex; align-items:center; justify-content:center; border-radius:50%; background: var(--s4); border:1px solid var(--s6); color: var(--t60); font-size:.85rem; transition: all .2s ease; }
.pagination a:hover { background: rgba(37,99,235,.15); color:var(--heading); border-color: rgba(37,99,235,.3); transform: translateY(-1px); }
.pagination .current { background: linear-gradient(135deg,#2563EB,#4F46E5); color:#fff; }

@media (max-width: 1024px) {
    .hero-grid { grid-template-columns:1fr; gap:36px; text-align:center; padding:32px 28px; }
    .hero-text h1 { font-size:2.6rem; }
    .hero-text p { max-width:100%; }
    .hero-buttons, .hero-stats { justify-content:center; }
    .hero-tag { margin:0 auto; }
    .hero-image-wrapper img { height:300px; }
    .footer-grid { grid-template-columns:1fr 1fr; gap:28px; }
    .newsletter-wrapper, .newsletter-form { flex-direction:column; text-align:center; width:100%; justify-content:center; }
    .pd-grid, .checkout-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-links { display:none; }
    .menu-toggle { display:flex; }
    .nav-icon-extra { display:none; }
    .nav-actions { gap:2px; }
    .nav-container { padding:0 4px; }
    .logo { font-size:1.05rem; gap:6px; }
    .logo span { max-width:150px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
    .icon-btn { width:36px; height:36px; font-size:0.95rem; }
    .hero-text h1 { font-size:2.2rem; }
    .hero-grid { padding:24px 20px; }
    .hero-image-wrapper img { height:240px; }
    .section-header h2 { font-size:1.2rem; }
    .product-grid { grid-template-columns:repeat(auto-fill,minmax(175px,1fr)); gap:16px; }
    .flash-wrapper { padding:28px 20px; }
    .countdown { gap:6px; flex-wrap:wrap; }
    .time-block { padding:8px 16px; min-width:54px; }
    .time-block span { font-size:1.4rem; }
    .offer-grid, .review-grid { grid-template-columns:1fr; }
    .newsletter-input-wrapper .btn-subscribe .btn-text { display:none; }
    .footer-grid { grid-template-columns:1fr; text-align:left; gap:24px; }
    .form-row { grid-template-columns: 1fr; }
    .auth-box { padding: 28px 20px; }
}
@media (max-width: 480px) {
    .product-grid { grid-template-columns:1fr 1fr; gap:12px; }
    .hero-text h1 { font-size:1.8rem; }
    .category-grid { grid-template-columns:repeat(auto-fit,minmax(80px,1fr)); gap:10px; }
    .filters-bar { flex-direction: column; align-items: stretch; padding: 14px; }
    .filters-bar select, .filters-bar input, .filters-bar button { width: 100%; }
    .bundle-box { flex-direction: column; align-items: stretch; padding: 18px; }
    .bundle-items { justify-content: center; }
    .bundle-action { flex-direction: column; align-items: stretch; text-align: center; }
    .bundle-action .btn-primary { justify-content: center; }
    .pd-price { flex-wrap: wrap; }
    .pd-qty-row { flex-wrap: wrap; }
    .share-buttons { flex-wrap: wrap; }
    .auth-box { padding: 24px 18px; }
    .container { width: 94%; padding: 0 8px; }
}

@media (max-width: 360px) {
    .hero-text h1 { font-size: 1.6rem; }
    .stat-number { font-size: 1.2rem; }
    .hero-stats { gap: 20px; }
}

/* ---- কাস্টম টোস্ট নোটিফিকেশন ---- */
.toast-container { position:fixed; top:20px; right:20px; z-index:3000; display:flex; flex-direction:column; gap:10px; max-width:340px; width:calc(100% - 40px); }
.toast { display:flex; align-items:flex-start; gap:10px; padding:14px 16px; border-radius:14px; background:var(--bg-elevated); border:1px solid var(--s10); box-shadow:0 12px 32px rgba(0,0,0,.25); font-size:.85rem; color:var(--heading); animation: toastIn .3s cubic-bezier(0.4,0,0.2,1); line-height:1.5; }
[data-theme="light"] .toast { box-shadow: 0 4px 12px rgba(20,15,50,.06), 0 16px 36px rgba(20,15,50,.1); }
.toast.success { border-left:3px solid #22C55E; }
.toast.error { border-left:3px solid #EF4444; }
.toast.info { border-left:3px solid #2563EB; }
.toast i { font-size:1.05rem; margin-top:1px; flex-shrink:0; }
.toast.success i { color:#22C55E; }
.toast.error i { color:#EF4444; }
.toast.info i { color:#2563EB; }
.toast.hide { animation: toastOut .3s ease forwards; }
@keyframes toastIn { from{opacity:0;transform:translateX(30px);} to{opacity:1;transform:translateX(0);} }
@keyframes toastOut { to{opacity:0;transform:translateX(30px);} }
@media (max-width: 480px) {
    .toast-container { top:auto; bottom:80px; right:12px; left:12px; max-width:none; width:auto; }
    @keyframes toastIn { from{opacity:0;transform:translateY(20px);} to{opacity:1;transform:translateY(0);} }
    @keyframes toastOut { to{opacity:0;transform:translateY(20px);} }
}

/* ---- কাস্টম কনফার্ম মোডাল ---- */
.confirm-modal-overlay { position:fixed; inset:0; background:rgba(10,10,26,.6); backdrop-filter:blur(4px); z-index:3100; display:none; align-items:center; justify-content:center; padding:20px; }
.confirm-modal-overlay.show { display:flex; }
.confirm-modal { background:var(--bg-elevated); border:1px solid var(--card-border); border-radius:20px; padding:32px 28px; max-width:360px; width:100%; text-align:center; box-shadow:0 24px 60px rgba(0,0,0,.35); animation: modalPop .25s cubic-bezier(0.34,1.56,0.64,1); }
.confirm-modal-icon { width:52px; height:52px; border-radius:50%; background:rgba(239,68,68,.12); color:#EF4444; display:flex; align-items:center; justify-content:center; font-size:1.4rem; margin:0 auto 16px; }
.confirm-modal-message { font-size:.92rem; color:var(--t70); margin-bottom:24px; line-height:1.6; }
.confirm-modal-actions { display:flex; gap:10px; }
.confirm-modal-actions button { flex:1; justify-content:center; }
@keyframes modalPop { from{opacity:0;transform:scale(.92);} to{opacity:1;transform:scale(1);} }

/* ---- ভ্যারিয়েন্ট সিলেক্টর ---- */
.variant-options { display:flex; gap:8px; flex-wrap:wrap; }
.variant-btn { min-width:42px; padding:8px 16px; border-radius:10px; border:1.5px solid var(--s15); background: var(--s4); color: var(--heading); font-family:inherit; font-size:.82rem; font-weight:600; cursor:pointer; transition: all .2s ease; }
.variant-btn:hover { border-color: rgba(37,99,235,.5); background: rgba(37,99,235,.06); }
.variant-btn.active { background: linear-gradient(135deg,#2563EB,#4F46E5); border-color:transparent; color:#fff; box-shadow: 0 3px 10px rgba(37,99,235,.3); }

/* ---- স্টক প্রোগ্রেস বার ---- */
.stock-bar { width:100%; max-width:220px; height:6px; border-radius:4px; background: var(--s8); margin-top:8px; overflow:hidden; }
.stock-bar-fill { height:100%; background: linear-gradient(90deg,#F59E0B,#EF4444); border-radius:4px; }

/* ---- বান্ডল অফার ---- */
.bundle-box { padding:24px; display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.bundle-items { display:flex; align-items:center; gap:14px; flex-wrap:wrap; }
.bundle-item { display:flex; flex-direction:column; align-items:center; gap:6px; width:90px; text-align:center; }
.bundle-item img { width:70px; height:70px; object-fit:cover; border-radius:12px; background: var(--s4); }
.bundle-item span { font-size:.72rem; color: var(--t60); }
.bundle-item small { font-size:.75rem; font-weight:700; color: var(--heading); }
.bundle-action { display:flex; align-items:center; gap:16px; flex-wrap:wrap; }

/* ---- লাইভ সার্চ সাজেশন ---- */
.search-suggestions { position:absolute; top:calc(100% + 8px); left:0; right:0; background: var(--bg-elevated); border:1px solid var(--s15); border-radius:16px; box-shadow:0 12px 40px var(--shadow-color); z-index:1100; overflow:hidden; display:none; max-height:400px; overflow-y:auto; }
.search-suggestions.show { display:block; }
.search-suggestion-item { display:flex; align-items:center; gap:12px; padding:10px 16px; border-bottom:1px solid var(--s6); }
.search-suggestion-item:hover { background: var(--s4); }
.search-suggestion-item img { width:38px; height:38px; object-fit:cover; border-radius:10px; }
.search-suggestion-item .ssi-name { font-size:.85rem; color: var(--heading); }
.search-suggestion-item .ssi-price { font-size:.78rem; color: var(--t50); margin-left:auto; }
.search-wrapper, .drawer-search { position:relative; }

/* ---- সেভ ফর লেটার ---- */
.save-for-later-section { margin-top: 28px; }
.save-for-later-section h3 { font-size:1.05rem; margin-bottom:14px; color: var(--t60); }

/* ---- মোবাইল বটম নেভিগেশন (অ্যাপ স্টাইল) ---- */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 1000;
    background: var(--navbg-92);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-top: 1px solid var(--s8);
    box-shadow: 0 -8px 28px rgba(20,15,50,.07);
    padding: 9px 8px calc(7px + env(safe-area-inset-bottom));
    justify-content: space-around;
    align-items: center;
}
.mobile-bottom-nav a {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 2px 2px;
    color: var(--t50);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    flex: 1;
    text-align: center;
}
.nav-icon-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 30px;
    border-radius: 16px;
    transition: background .3s cubic-bezier(0.16,1,0.3,1), transform .18s cubic-bezier(0.16,1,0.3,1);
}
.mobile-bottom-nav a i { font-size: 1.08rem; transition: transform .25s cubic-bezier(0.16,1,0.3,1); }
.nav-label { transition: opacity .2s ease, color .2s ease; opacity: .8; }
.mobile-bottom-nav a.active { color: #2563EB; }
.mobile-bottom-nav a.active .nav-icon-wrap { background: rgba(37,99,235,.12); }
.mobile-bottom-nav a.active i { transform: translateY(-1px) scale(1.06); }
.mobile-bottom-nav a.active .nav-label { opacity: 1; font-weight: 700; }
.mobile-bottom-nav a:active .nav-icon-wrap { transform: scale(.88); background: rgba(37,99,235,.16); }
.nav-icon-wrap .bn-badge {
    position: absolute;
    top: -3px; right: 1px;
    background: linear-gradient(135deg,#EF4444,#DC2626);
    color: #fff;
    font-size: 0.55rem;
    font-weight: 700;
    min-width: 15px;
    height: 15px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 3px;
    box-shadow: 0 0 0 2px var(--bg-elevated);
}

@media (max-width: 768px) {
    .mobile-bottom-nav { display: flex; }
    body { padding-bottom: 68px; }
    .whatsapp-float { bottom: calc(100px + env(safe-area-inset-bottom)); }
    .scroll-top { bottom: calc(164px + env(safe-area-inset-bottom)); }
}