/* Min Smart Life — Design System (UI UX Pro Max)
   Pattern: Feature-Rich Showcase | Style: Vibrant & Block-based
   Theo logo Min Smart Life: Navy #03224E / #0A4BA8 · Cam #FF9E00 · Heading Arial · Body Nunito Sans */
:root{
  --primary:#0A4BA8; --primary-dark:#03224E; --secondary:#2E7DE0;
  --accent:#FF9E00; --accent-hover:#E07F00;
  --bg:#EAF2FD; --bg-soft:#F5F8FD; --card:#FFFFFF;
  --text:#0A2149; --muted:#475569; --border:#BCD3F6;
  --radius:18px; --shadow:0 10px 30px rgba(3,34,78,.10);
  --shadow-hover:0 18px 40px rgba(3,34,78,.18);
}
*{box-sizing:border-box;margin:0;padding:0}
/* FIX: thuộc tính hidden phải luôn thắng mọi display của class (trước đây .modal-backdrop{display:grid} đè lên hidden khiến popup hiện ngay khi mở trang) */
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{font-family:"Nunito Sans",system-ui,sans-serif;color:var(--text);background:var(--bg-soft);line-height:1.55}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.container{max-width:1280px;margin:0 auto;padding:0 20px}
h1,h2,h3{font-family:Arial,Helvetica,sans-serif;line-height:1.2;text-wrap:balance}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}

/* Policy bar */
.policy-bar{background:var(--primary-dark);color:#D7E5FA;padding:10px 0}
.policy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.policy{display:flex;gap:10px;align-items:center;font-size:.85rem}
.policy svg{width:30px;height:30px;flex:none;color:#FFB84D}
.policy strong{display:block;color:#fff;font-size:.9rem}
.policy span{opacity:.85}

/* Header */
.header{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 14px rgba(3,34,78,.08)}
.header-inner{display:flex;align-items:center;gap:22px;padding:14px 20px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo-badge{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-family:Arial,Helvetica,sans-serif;font-weight:800;font-size:1.5rem;display:grid;place-items:center;box-shadow:var(--shadow)}
.logo-text{font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:1.35rem;line-height:1.05}
.logo-text em{font-style:normal;color:var(--primary)}
.logo-text small{display:block;font-family:"Nunito Sans";font-weight:700;font-size:.68rem;letter-spacing:.06em;color:var(--muted);text-transform:uppercase;margin-top:3px}
.logo-light{color:#fff}.logo-light small{color:#BCD3F6}
.search{flex:1;display:flex;border:2px solid var(--border);border-radius:999px;overflow:hidden;background:#fff;transition:border-color .2s}
.search:focus-within{border-color:var(--primary)}
.search input{flex:1;border:0;padding:12px 18px;font:inherit;min-width:0}
.search input:focus{outline:none}
.search button{background:var(--primary);color:#fff;border:0;padding:0 20px;display:grid;place-items:center;transition:background .2s}
.search button:hover{background:var(--primary-dark)}
.search button svg{width:20px;height:20px}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.fb-btn{display:flex;gap:9px;align-items:center;background:#1877F2;color:#fff;padding:8px 14px;border-radius:12px;font-size:.78rem;line-height:1.15;transition:transform .2s,background .2s}
.fb-btn:hover{background:#1464CC;transform:translateY(-1px)}
.fb-btn svg{width:22px;height:22px}
.fb-btn strong{display:block;font-size:.9rem}
.cart-btn{position:relative;width:48px;height:48px;border-radius:12px;border:2px solid var(--border);background:#fff;display:grid;place-items:center;transition:border-color .2s,transform .2s}
.cart-btn:hover{border-color:var(--primary);transform:translateY(-1px)}
.cart-btn svg{width:24px;height:24px}
.cart-count{position:absolute;top:-7px;right:-7px;background:var(--accent);color:#fff;font-size:.72rem;font-weight:800;min-width:21px;height:21px;border-radius:999px;display:grid;place-items:center;padding:0 5px}
.menu-btn{display:none;width:48px;height:48px;border-radius:12px;border:2px solid var(--border);background:#fff;place-items:center}
.menu-btn svg{width:24px;height:24px}
.main-nav{background:var(--primary)}
.nav-inner{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-inner a{color:#EAF2FD;font-weight:700;padding:11px 16px;white-space:nowrap;border-radius:8px;transition:background .2s}
.nav-inner a:hover{background:rgba(255,255,255,.16)}

/* Hero */
.hero{background:linear-gradient(120deg,#EAF2FD 0%,#CBDEF8 52%,#FFE3B3 125%);padding:56px 0 64px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero-badge{display:inline-block;background:#fff;color:var(--primary-dark);font-weight:800;font-size:.75rem;letter-spacing:.07em;padding:7px 14px;border-radius:999px;box-shadow:var(--shadow);margin-bottom:18px}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:800}
.hero h1 .hl{color:var(--accent)}
.hero-copy p{color:#24466E;font-size:1.08rem;margin:18px 0 26px;max-width:56ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;padding:14px 26px;border-radius:14px;border:2px solid transparent;transition:transform .2s,background .2s,border-color .2s;font-size:1rem}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);color:#221500;box-shadow:0 10px 24px rgba(255,158,0,.38)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn-ghost{background:#fff;border-color:var(--primary);color:var(--primary-dark)}
.btn-ghost:hover{transform:translateY(-2px);border-color:var(--primary-dark)}
.btn-block{width:100%}
.hero-stats{display:flex;gap:34px;margin-top:34px;flex-wrap:wrap}
.hero-stats strong{display:block;font-family:Arial,Helvetica,sans-serif;font-size:1.5rem;color:var(--primary-dark)}
.hero-stats span{color:var(--muted);font-size:.88rem;font-weight:700}
.hero-card{position:relative;border-radius:26px;overflow:visible}
.hero-card>img{border-radius:26px;box-shadow:var(--shadow-hover);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-chip{position:absolute;background:#fff;border-radius:14px;box-shadow:var(--shadow-hover);padding:10px 16px;font-size:.82rem}
.hero-chip strong{display:block;font-family:Arial,Helvetica,sans-serif;font-size:.95rem}
.hero-chip span{color:var(--muted)}
.chip-1{left:-16px;bottom:34px}
.chip-2{right:-10px;top:26px}

/* Sections */
.section{padding:64px 0}
.section-alt{background:#fff}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.kicker{color:var(--accent);font-weight:800;font-size:.78rem;letter-spacing:.12em}
.section-head h2,.why-grid h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;margin-top:6px}
.section-sub{color:var(--muted);margin-top:6px;max-width:62ch}
.link-more{font-weight:800;color:var(--primary)}
.link-more:hover{color:var(--primary-dark);text-decoration:underline}
.sort-wrap{font-weight:700;color:var(--muted);display:flex;gap:10px;align-items:center}
.sort-wrap select{font:inherit;font-weight:700;padding:10px 12px;border:2px solid var(--border);border-radius:10px;background:#fff;color:var(--text)}

/* Categories */
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.cat-card{background:var(--card);border:2px solid transparent;border-radius:var(--radius);overflow:hidden;text-align:left;padding:0;box-shadow:0 4px 14px rgba(3,34,78,.06);transition:transform .25s,border-color .25s,box-shadow .25s;width:100%}
.cat-card:hover{transform:translateY(-4px);border-color:var(--primary);box-shadow:var(--shadow)}
.cat-card img{width:100%;aspect-ratio:4/3;object-fit:cover;background:#E8F1F3}
.cat-card span{display:block;padding:11px 13px;font-weight:800;font-size:.9rem;line-height:1.3}
.cat-more{align-self:center;text-align:center;color:var(--muted);font-weight:700;font-size:.9rem;padding:14px}

/* Products */
.filter-chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.chip-btn{border:2px solid var(--border);background:#fff;color:var(--text);font-weight:700;padding:8px 16px;border-radius:999px;transition:all .2s}
.chip-btn:hover{border-color:var(--primary)}
.chip-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.p-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 16px rgba(3,34,78,.07);display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;border:1px solid #E1EAF6}
.p-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.p-media{position:relative;background:#F0F5FC}
.p-media img{width:100%;aspect-ratio:1/1;object-fit:cover}
.p-badge{position:absolute;top:10px;left:10px;background:var(--accent);color:#221500;font-size:.72rem;font-weight:800;padding:4px 10px;border-radius:999px}
.p-sold{position:absolute;bottom:10px;right:10px;background:rgba(3,34,78,.85);color:#fff;font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px}
.p-body{padding:15px 16px 17px;display:flex;flex-direction:column;gap:7px;flex:1}
.p-cat{color:var(--primary);font-size:.75rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
.p-name{font-family:Arial,Helvetica,sans-serif;font-weight:600;font-size:1rem;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.p-sku{color:var(--muted);font-size:.8rem}
.p-price{font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:1.22rem;color:#DC2626;margin-top:auto}
.p-price small{display:block;font-family:"Nunito Sans";font-weight:700;color:var(--muted);font-size:.78rem}
.p-actions{display:flex;gap:8px;margin-top:6px}
.p-actions .btn{padding:10px 12px;font-size:.88rem;border-radius:11px;flex:1}
.p-actions .btn-detail{flex:none;background:#EAF2FD;color:var(--primary-dark);border:2px solid var(--border)}
.p-actions .btn-detail:hover{border-color:var(--primary)}
.empty{text-align:center;color:var(--muted);font-weight:700;padding:36px 0}

/* Brands */
.brand-strip{display:flex;flex-wrap:wrap;gap:12px}
.brand-strip span{font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:1.05rem;background:#fff;border:2px solid #E1EAF6;padding:13px 22px;border-radius:14px;color:var(--primary-dark);transition:border-color .2s,transform .2s}
.brand-strip span:hover{border-color:var(--primary);transform:translateY(-2px)}

/* Why */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.why-grid p{color:var(--muted);margin:14px 0}
.why-grid .btn{margin-top:10px}
.why-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.why-card{background:var(--bg);border-radius:var(--radius);padding:20px;border-left:5px solid var(--primary)}
.why-card strong{font-family:Arial,Helvetica,sans-serif;font-size:1.02rem}
.why-card p{margin:6px 0 0;font-size:.92rem}

/* Footer */
.footer{background:var(--primary-dark);color:#D7E5FA;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:54px 20px 34px}
.footer h3{color:#fff;font-size:1.05rem;margin-bottom:14px}
.footer ul{list-style:none;display:grid;gap:9px;font-size:.94rem}
.footer ul a:hover{color:#fff;text-decoration:underline}
.footer-desc{margin-top:14px;font-size:.94rem;max-width:38ch}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.15);padding-top:18px;padding-bottom:22px;font-size:.85rem;opacity:.9}

/* Drawer & modal */
.drawer-backdrop,.modal-backdrop{position:fixed;inset:0;background:rgba(4,47,36,.55);z-index:80;backdrop-filter:blur(2px);display:none}
.drawer-backdrop.open{display:block}
.modal-backdrop.open{display:grid}
.cart-drawer{position:fixed;top:0;right:0;height:100dvh;width:min(420px,94vw);background:#fff;z-index:90;transform:translateX(105%);transition:transform .3s ease;display:flex;flex-direction:column;box-shadow:-12px 0 34px rgba(0,0,0,.2)}
.cart-drawer.open{transform:none}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid #E1EAF6}
.drawer-head button{border:0;background:#EAF2FD;width:38px;height:38px;border-radius:10px;font-size:1rem}
.drawer-items{flex:1;overflow-y:auto;padding:14px 20px;display:flex;flex-direction:column;gap:12px}
.cart-item{display:flex;gap:12px;align-items:center;border:1px solid #E1EAF6;border-radius:12px;padding:10px}
.cart-item img{width:58px;height:58px;border-radius:9px;object-fit:cover;flex:none}
.cart-item .ci-info{flex:1;min-width:0}
.cart-item .ci-info strong{display:block;font-size:.88rem;line-height:1.3}
.cart-item .ci-info span{color:#DC2626;font-weight:800;font-size:.9rem}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:26px;height:26px;border-radius:8px;border:1px solid var(--border);background:#fff;font-weight:800}
.ci-remove{border:0;background:none;color:#DC2626;font-size:.8rem;font-weight:700}
.drawer-empty{text-align:center;color:var(--muted);padding:30px 0;font-weight:700}
.drawer-foot{padding:16px 20px 20px;border-top:1px solid #E1EAF6}
.drawer-total{display:flex;justify-content:space-between;font-size:1.05rem;margin-bottom:12px}
.drawer-total strong{color:#DC2626;font-family:Arial,Helvetica,sans-serif}
.drawer-note{font-size:.8rem;color:var(--muted);margin-top:10px;text-align:center}
.modal-backdrop{place-items:center;padding:18px;overflow-y:auto}
.modal{background:#fff;border-radius:22px;max-width:880px;width:100%;display:grid;grid-template-columns:1fr 1fr;position:relative;overflow:hidden;max-height:92dvh}
.modal-close{position:absolute;top:12px;right:12px;z-index:2;width:40px;height:40px;border-radius:12px;border:0;background:rgba(255,255,255,.92);font-size:1.05rem;box-shadow:var(--shadow)}
.modal-media{background:#F0F5FC;padding:18px}
.modal-media>img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px}
.modal-thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.modal-thumbs button{border:2px solid transparent;border-radius:10px;padding:0;background:none;overflow:hidden}
.modal-thumbs button.active{border-color:var(--primary)}
.modal-thumbs img{width:56px;height:56px;object-fit:cover}
.modal-body{padding:26px 26px 26px 6px;overflow-y:auto}
.tag{display:inline-block;background:#EAF2FD;color:var(--primary-dark);font-weight:800;font-size:.75rem;padding:5px 12px;border-radius:999px;text-transform:uppercase;letter-spacing:.05em}
.modal-body h3{font-size:1.35rem;margin:12px 0 4px}
.modal-sku{color:var(--muted);font-size:.88rem}
.modal-price{font-family:Arial,Helvetica,sans-serif;font-weight:700;font-size:1.6rem;color:#DC2626;margin:12px 0}
.modal-desc{list-style:none;display:grid;gap:8px;color:#334155;font-size:.95rem;margin-bottom:22px}
.modal-desc li{padding-left:20px;position:relative}
.modal-desc li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:800}
.modal-actions{display:flex;gap:10px;flex-wrap:wrap}

/* Floating FB */
.float-fb{position:fixed;right:18px;bottom:18px;z-index:60;width:56px;height:56px;border-radius:50%;background:#1877F2;color:#fff;display:grid;place-items:center;box-shadow:0 12px 26px rgba(24,119,242,.45);transition:transform .2s}
.float-fb:hover{transform:scale(1.08)}
.float-fb svg{width:28px;height:28px}

/* Reveal animation (respects reduced motion) */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .45s ease,transform .45s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* Responsive */
@media (max-width:1024px){
  .policy-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr}
  .hero-card{max-width:560px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .fb-btn span{display:none}
  .fb-btn{padding:10px}
  .menu-btn{display:grid}
  .main-nav{display:none}
  .main-nav.open{display:block}
  .nav-inner{flex-direction:column;padding:10px 0}
  .search{order:3}
  .header-inner{flex-wrap:wrap}
  .modal{grid-template-columns:1fr;overflow-y:auto}
  .modal-body{padding:20px}
  .section{padding:44px 0}
}
@media (max-width:480px){
  .policy-grid{grid-template-columns:1fr}
  .policy-bar .policy:nth-child(n+3){display:none}
  .product-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
  .why-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:20px}
  .chip-1{left:6px}.chip-2{right:6px}
}

/* Logo thương hiệu (file logo nền trong suốt, hợp nền sáng) */
.logo-img{height:58px;width:auto;display:block}
.footer .logo-img{height:64px}
.logo-card{display:inline-block;background:#fff;border-radius:16px;padding:10px 16px;box-shadow:0 8px 22px rgba(0,0,0,.25)}
@media (max-width:480px){.logo-img{height:46px}}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:860px}
.faq-list details{background:#fff;border:2px solid #E1EAF6;border-radius:14px;padding:16px 20px;transition:border-color .2s}
.faq-list details[open]{border-color:var(--primary)}
.faq-list summary{font-family:Arial,Helvetica,sans-serif;font-weight:600;font-size:1.02rem;cursor:pointer;color:var(--primary-dark)}
.faq-list details p{color:var(--muted);margin-top:10px}

/* Font chữ đậm: Arial cho tiếng Việt đồng nhất (yêu cầu của shop) */
strong,b,h1,h2,h3,h4,th,summary{font-family:Arial,Helvetica,sans-serif}

/* Thông điệp chính ở hero: Arial tuyệt đối */
.hero h1{font-family:Arial,Helvetica,sans-serif!important}

/* Checkout form trong giỏ hàng */
.drawer-main{flex:1;overflow-y:auto;display:flex;flex-direction:column}
.checkout-form{padding:4px 20px 18px;display:grid;gap:11px;border-top:1px dashed #C9D9F2;margin:0}
.checkout-form h4{font-size:1rem;color:var(--primary-dark);margin-top:12px}
.field{display:grid;gap:5px}
.field label{font-weight:700;font-size:.88rem}
.field label i{color:#DC2626;font-style:normal}
.field input,.field textarea{font:inherit;padding:11px 13px;border:2px solid var(--border);border-radius:11px;background:#fff;width:100%;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary)}
.field input.invalid,.field textarea.invalid{border-color:#DC2626;background:#FFF7F7}
.field .err{color:#DC2626;font-size:.78rem;font-weight:700;display:none}
.field.show-err .err{display:block}
.order-status{font-size:.85rem;font-weight:700;color:var(--primary-dark);text-align:center;margin-top:10px;min-height:1.2em}


/* Hero H1 và tiêu đề mục (Danh mục sản phẩm...) dùng CHUNG một khai báo font — không thể lệch nhau */
.hero h1,.section-head h2{font-family:Arial,Helvetica,sans-serif}
/* Nút quay lại CMS (chỉ hiện khi quản trị viên đi từ trang CMS sang website) */
.cms-back{position:fixed;right:16px;bottom:16px;z-index:150;background:var(--primary-dark);color:#fff;font-weight:800;padding:12px 20px;border-radius:999px;box-shadow:0 12px 28px rgba(3,34,78,.35);text-decoration:none}
.cms-back:hover{background:var(--primary);color:#fff}