/* ==========================================================================
   SIMPLE SHOP - MAIN STYLESHEET
   Quy ước: BEM (block__element--modifier). Mobile-first.
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ss-font-body);
  background:var(--ss-bg);
  color:var(--ss-text);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden; /* Tuyệt đối không cho cuộn ngang */
  -webkit-tap-highlight-color:transparent;
}
/* Trang có bottom-nav (toàn bộ frontend) cần chừa khoảng trống phía dưới để
   không bị thanh điều hướng / thanh mua hàng sticky che mất nội dung. */
body.ss-has-bottomnav{ padding-bottom:calc(var(--ss-bottomnav-h) + var(--ss-safe-bottom)); }
@media(min-width:1024px){ body.ss-has-bottomnav{ padding-bottom:0; } }

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{font-family:var(--ss-font-heading);margin:0 0 var(--ss-space-2);font-weight:700;letter-spacing:-.02em;}

/* KHÓA CỨNG kích thước icon SVG dùng trong nút/header - phòng lỗi icon "nổ" to chiếm
   hết khung hình khi trình duyệt không đọc được width/height gốc của SVG (mặc định
   trình duyệt sẽ render SVG không có kích thước ở mức 300x150px nếu không bị chặn). */
svg.ss-icon{width:20px;height:20px;min-width:20px;min-height:20px;max-width:20px;max-height:20px;flex-shrink:0;display:inline-block;vertical-align:middle;}
.ss-btn svg,.ss-fab svg,.ss-header__cart-btn svg,.ss-header__menu-btn svg{width:18px;height:18px;min-width:18px;min-height:18px;max-width:18px;max-height:18px;flex-shrink:0;}
.ss-btn--lg svg{width:20px;height:20px;min-width:20px;min-height:20px;max-width:20px;max-height:20px;}

/* Tôn trọng người dùng tắt hiệu ứng chuyển động trong hệ điều hành */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

.ss-container{
  width:100%;
  max-width:var(--ss-container);
  margin:0 auto;
  padding:0 clamp(12px, 4vw, var(--ss-space-4));
}

.skip-link{position:absolute;left:-9999px;}
.skip-link:focus{left:8px;top:8px;background:#000;color:#fff;padding:8px;z-index:9999;}

/* ---------- Header ---------- */
.ss-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--ss-border);
  padding-top:var(--ss-safe-top); /* chừa vùng notch/Dynamic Island */
}
.ss-header__inner{display:flex;align-items:center;gap:var(--ss-space-3);padding:var(--ss-space-3) 0;}
.ss-header__menu-btn{
  display:flex;width:var(--ss-touch-min);height:var(--ss-touch-min);align-items:center;justify-content:center;
  border-radius:50%;background:var(--ss-bg);border:none;flex-shrink:0;color:var(--ss-text);
}
@media(min-width:1024px){.ss-header__menu-btn{display:none;}}
.ss-header__logo{display:flex;align-items:center;gap:var(--ss-space-2);font-weight:800;font-size:1rem;flex-shrink:0;max-width:120px;overflow:hidden;}
.ss-header__logo img{height:40px;width:40px;border-radius:50%;object-fit:cover;flex-shrink:0;}
.ss-header__logo-text{display:flex;flex-direction:column;overflow:hidden;line-height:1.25;}
.ss-header__logo-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:1rem;font-weight:800;}
.ss-header__logo-tagline{display:none;font-size:.72rem;font-weight:500;color:var(--ss-text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* Menu ngang - chỉ hiện ở desktop (≥1024px), mobile dùng menu trượt từ nút hamburger */
.ss-header__nav{display:none;align-items:center;gap:6px;flex-shrink:0;}
.ss-header__nav a{
  display:flex;align-items:center;gap:6px;padding:10px 14px;border-radius:999px;font-weight:600;
  font-size:.88rem;color:var(--ss-text-muted);white-space:nowrap;transition:all var(--ss-transition);
}
.ss-header__nav a:hover{background:var(--ss-bg);color:var(--ss-text);}
.ss-header__nav a.is-active{color:var(--ss-primary);background:var(--ss-primary-light);}

.ss-header__phone{display:none;align-items:center;gap:6px;color:var(--ss-primary);font-weight:600;white-space:nowrap;}
.ss-header__search{flex:1;position:relative;min-width:0;}
.ss-header__search input{
  width:100%;padding:12px 14px 12px 40px;border-radius:999px;border:1px solid var(--ss-border);
  background:var(--ss-bg);font-size:.9rem;transition:border-color var(--ss-transition);min-height:var(--ss-touch-min);
}
.ss-header__search input:focus{outline:none;border-color:var(--ss-primary);background:#fff;}
.ss-header__search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--ss-text-muted);}
.ss-header__search-results{
  position:fixed;top:auto;left:var(--ss-space-3);right:var(--ss-space-3);background:#fff;border-radius:var(--ss-radius);
  box-shadow:var(--ss-shadow-lg);max-height:60vh;overflow:auto;display:none;z-index:60;
}
@media(min-width:480px){.ss-header__search-results{position:absolute;top:calc(100% + 8px);left:0;right:0;}}
.ss-header__search-results.is-open{display:block;}
.ss-header__actions{display:flex;align-items:center;gap:var(--ss-space-2);flex-shrink:0;}
.ss-header__cart-btn{position:relative;display:flex;align-items:center;justify-content:center;gap:8px;width:var(--ss-touch-min);height:var(--ss-touch-min);border-radius:50%;background:var(--ss-bg);border:none;flex-shrink:0;}
.ss-header__cart-text{display:none;white-space:nowrap;}
.ss-header__cart-count{
  position:absolute;top:-4px;right:-4px;background:var(--ss-primary);color:#fff;border-radius:999px;
  font-size:.7rem;min-width:18px;height:18px;display:flex;align-items:center;justify-content:center;padding:0 4px;font-weight:700;
}
@media(min-width:768px){.ss-header__logo-tagline{display:block;}}
@media(min-width:1024px){
  .ss-header__nav{display:flex;}
  .ss-header__search{display:none;}
  .ss-header__logo{max-width:none;}
  .ss-header__cart-btn{
    width:auto;height:46px;border-radius:999px;background:var(--ss-primary);color:#fff;padding:0 18px 0 16px;
  }
  .ss-header__cart-text{display:inline;font-weight:700;font-size:.88rem;}
  .ss-header__cart-count{position:static;background:rgba(255,255,255,.28);margin-left:2px;}
}

/* ---------- Hero ---------- */
.ss-hero{
  display:grid;grid-template-columns:1fr;gap:var(--ss-space-5);align-items:center;
  background:linear-gradient(135deg,#f0fdf4,#ecfdf5 60%,#f8fafc);
  border-radius:var(--ss-radius-lg);padding:var(--ss-space-5);margin:var(--ss-space-5) auto 0;
  max-width:var(--ss-container);overflow:hidden;position:relative;
}
.ss-hero__content{position:relative;z-index:1;}
.ss-hero__title{color:var(--ss-text);font-size:1.7rem;line-height:1.2;margin-bottom:var(--ss-space-3);}
.ss-hero__slogan{color:var(--ss-text-muted);margin-bottom:var(--ss-space-4);font-size:1rem;line-height:1.6;max-width:440px;}
.ss-hero__cta{
  display:inline-flex;align-items:center;gap:8px;background:var(--ss-primary);color:#fff;border:none;
  padding:14px 28px;border-radius:999px;font-weight:700;font-size:.95rem;width:max-content;transition:transform var(--ss-transition),background var(--ss-transition);
}
.ss-hero__cta:hover{background:var(--ss-primary-dark);transform:translateY(-1px);}
.ss-hero__media{border-radius:var(--ss-radius);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--ss-shadow);order:-1;}
.ss-hero__media img{width:100%;height:100%;object-fit:cover;}
@media(min-width:768px){
  .ss-hero{grid-template-columns:1.15fr 1fr;padding:var(--ss-space-6);gap:var(--ss-space-6);}
  .ss-hero__title{font-size:2.4rem;}
  .ss-hero__media{order:0;aspect-ratio:1/1;}
}

/* ---------- Section heading ---------- */
.ss-section{padding:var(--ss-space-6) 0;}
.ss-section__head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:var(--ss-space-4);}
.ss-section__title{font-size:1.3rem;}
.ss-section__link{color:var(--ss-primary);font-weight:600;font-size:.9rem;}

/* ---------- Category nav ---------- */
.ss-categories{display:flex;gap:var(--ss-space-4);overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.ss-categories::-webkit-scrollbar{display:none;}
.ss-category{
  flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;
  width:84px;transition:transform var(--ss-transition);
}
.ss-category:hover{transform:translateY(-2px);}
.ss-category__icon{
  width:64px;height:64px;border-radius:50%;background:var(--ss-primary-light);display:flex;align-items:center;
  justify-content:center;font-size:1.8rem;box-shadow:var(--ss-shadow-sm);
}
.ss-category__name{font-size:.78rem;font-weight:600;color:var(--ss-text);}

@media(min-width:1024px){.ss-categories-mobile{display:none;}}

/* ---------- Product grid & card ---------- */
.ss-product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--ss-space-4);}
@media(min-width:640px){.ss-product-grid{grid-template-columns:repeat(3,1fr);}}
@media(min-width:1536px){.ss-product-grid{grid-template-columns:repeat(4,1fr);}}

.ss-card{
  background:var(--ss-surface);border-radius:var(--ss-radius);overflow:hidden;box-shadow:var(--ss-shadow-sm);
  display:flex;flex-direction:column;transition:box-shadow var(--ss-transition),transform var(--ss-transition);
  position:relative;
}
.ss-card:hover{box-shadow:var(--ss-shadow);transform:translateY(-2px);}
.ss-card__media{position:relative;aspect-ratio:1/1;background:linear-gradient(90deg,#eef2f6 25%,#e6eaf0 37%,#eef2f6 63%);background-size:400% 100%;animation:ss-shimmer 1.4s ease infinite;overflow:hidden;}
.ss-card__media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ss-transition),opacity 280ms ease;opacity:0;}
.ss-card__media img.is-loaded{opacity:1;}
.ss-card__media .ss-skeleton{position:absolute;inset:0;}
.ss-card:hover .ss-card__media img{transform:scale(1.04);}
.ss-card__badges{position:absolute;top:10px;left:10px;display:flex;flex-direction:column;gap:6px;z-index:2;}
.ss-card__discount{
  position:absolute;top:0;right:10px;background:var(--ss-danger);color:#fff;font-size:.72rem;font-weight:800;
  padding:5px 7px 6px;border-radius:0 0 6px 6px;z-index:2;line-height:1;
}
.ss-badge{font-size:.68rem;font-weight:700;padding:4px 9px;border-radius:999px;color:#fff;}
.ss-badge--hot{background:var(--ss-danger);}
.ss-badge--sale{background:var(--ss-warning);}
.ss-badge--combo{background:#f97316;}
.ss-badge--out{background:#94a3b8;}
.ss-badge--stock-low{background:var(--ss-warning);color:#fff;}
.ss-card__body{padding:var(--ss-space-3) var(--ss-space-3) var(--ss-space-4);display:flex;flex-direction:column;gap:6px;flex:1;}
.ss-card__name{font-size:.92rem;font-weight:600;line-height:1.35;min-height:2.4em;}
.ss-card__desc{font-size:.78rem;color:var(--ss-text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ss-card__price-row{display:flex;align-items:baseline;gap:8px;margin-top:auto;}
.ss-card__price{font-weight:800;color:var(--ss-primary);font-size:1.02rem;}
.ss-card__price-old{font-size:.78rem;color:var(--ss-text-muted);text-decoration:line-through;}
.ss-card__unit{font-size:.72rem;color:var(--ss-text-muted);}
.ss-card__footer{display:flex;align-items:center;gap:8px;margin-top:8px;flex-wrap:wrap;}
.ss-card__footer .ss-qty{flex-shrink:0;}
.ss-card__footer .js-add-to-cart{flex:1;min-width:0;}

/* Quantity selector - đạt tối thiểu chiều cao chạm 44-48px */
.ss-qty{display:flex;align-items:center;border:1px solid var(--ss-border);border-radius:999px;overflow:hidden;height:44px;}
.ss-qty button{width:44px;height:44px;background:var(--ss-bg);border:none;font-weight:700;font-size:1.1rem;line-height:1;flex-shrink:0;}
.ss-qty input{width:36px;border:none;text-align:center;font-size:.9rem;background:transparent;padding:0;height:100%;}
.ss-qty input:focus{outline:none;}
.ss-qty--sm{height:36px;}
.ss-qty--sm button{width:32px;height:32px;font-size:.9rem;}

/* Buttons - tối thiểu 48px chiều cao cho vùng chạm thoải mái 1 tay */
.ss-btn{
  border:none;border-radius:999px;font-weight:700;padding:12px 18px;font-size:.88rem;min-height:var(--ss-touch-min);
  display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:all var(--ss-transition);
}
.ss-btn--primary{background:var(--ss-primary);color:#fff;}
.ss-btn--primary:hover{background:var(--ss-primary-dark);}
.ss-btn--primary:disabled{background:#cbd5e1;cursor:not-allowed;}
.ss-btn--outline{background:transparent;border:1px solid var(--ss-border);color:var(--ss-text);}
.ss-btn--secondary{background:var(--ss-secondary);color:#fff;}
.ss-btn--icon{width:var(--ss-touch-min);height:var(--ss-touch-min);border-radius:50%;background:var(--ss-bg);padding:0;}
.ss-btn--block{width:100%;}
.ss-btn--lg{padding:14px 22px;font-size:.95rem;min-height:52px;}

/* ---------- Trang chi tiết sản phẩm kiểu Shopee ---------- */
.ss-product-price-box{
  background:var(--ss-bg);border-radius:var(--ss-radius-sm);padding:14px 16px;margin:var(--ss-space-3) 0;
  display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;
}
.ss-product-price-box__price{font-size:1.6rem;font-weight:800;color:var(--ss-danger);}
.ss-product-price-box__old{font-size:.9rem;color:var(--ss-text-muted);text-decoration:line-through;}
.ss-product-price-box__percent{background:var(--ss-danger);color:#fff;font-size:.74rem;font-weight:700;padding:3px 8px;border-radius:4px;}
.ss-product-info-row{display:flex;gap:14px;padding:8px 0;font-size:.86rem;border-bottom:1px solid var(--ss-border);}
.ss-product-info-row:last-of-type{border-bottom:none;}
.ss-product-info-row__label{flex:0 0 100px;color:var(--ss-text-muted);}
.ss-product-info-row span svg{vertical-align:middle;margin-right:4px;}
.ss-product-qty-row{display:flex;align-items:center;gap:14px;margin-bottom:var(--ss-space-3);}
.ss-product-actions{display:flex;gap:12px;flex-wrap:wrap;}
.ss-product-actions .ss-btn{flex:1;min-width:160px;}
.ss-product-share-row{display:flex;align-items:center;gap:10px;margin-top:var(--ss-space-4);padding-top:var(--ss-space-3);border-top:1px solid var(--ss-border);}
.ss-product-share-row button{background:none;border:none;color:var(--ss-text-muted);font-size:.85rem;display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;}
.ss-product-share-row button:hover{background:var(--ss-bg);color:var(--ss-primary);}

/* ---------- Cart line item (dùng trong drawer / trang giỏ hàng) ---------- */

.ss-cart-line{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--ss-border);position:relative;}
.ss-cart-line img{width:52px;height:52px;border-radius:var(--ss-radius-sm);object-fit:cover;flex-shrink:0;}
.ss-cart-line__info{flex:1;min-width:0;padding-right:22px;}
.ss-cart-line__name{font-size:.82rem;font-weight:600;line-height:1.3;margin-bottom:2px;}
.ss-cart-line__price{font-size:.76rem;color:var(--ss-text-muted);margin-bottom:6px;}
.ss-cart-line__remove{
  position:absolute;top:8px;right:0;width:22px;height:22px;border-radius:50%;background:var(--ss-bg);
  color:var(--ss-text-muted);border:none;padding:0;font-size:1rem;line-height:1;display:flex;align-items:center;justify-content:center;
}
.ss-cart-line__remove:hover{background:#fee2e2;color:var(--ss-danger);}
.ss-cart-summary{display:flex;justify-content:space-between;font-weight:700;padding-top:10px;}

/* ---------- Forms / checkout ---------- */
.ss-form-group{margin-bottom:var(--ss-space-4);}
.ss-form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;}
.ss-input,.ss-textarea,.ss-select{
  width:100%;padding:12px 14px;border:1px solid var(--ss-border);border-radius:var(--ss-radius-sm);
  font-size:.9rem;background:#fff;font-family:inherit;
}
.ss-input:focus,.ss-textarea:focus,.ss-select:focus{outline:none;border-color:var(--ss-primary);}
.ss-payment-option{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--ss-border);border-radius:var(--ss-radius);padding:14px;margin-bottom:10px;cursor:pointer;}
.ss-payment-option.is-selected{border-color:var(--ss-primary);background:var(--ss-primary-light);}
.ss-checkout-grid{display:grid;gap:var(--ss-space-5);}
@media(min-width:960px){.ss-checkout-grid{grid-template-columns:1.3fr 1fr;}}
.ss-summary-box{background:#fff;border-radius:var(--ss-radius);padding:var(--ss-space-4);box-shadow:var(--ss-shadow-sm);align-self:start;}

/* ---------- Order timeline ---------- */
.ss-timeline{display:flex;justify-content:space-between;margin:var(--ss-space-5) 0;}
.ss-timeline__step{flex:1;text-align:center;position:relative;font-size:.75rem;color:var(--ss-text-muted);}
.ss-timeline__step::before{content:'';display:block;width:14px;height:14px;border-radius:50%;background:var(--ss-border);margin:0 auto 6px;}
.ss-timeline__step.is-done{color:var(--ss-primary);font-weight:700;}
.ss-timeline__step.is-done::before{background:var(--ss-primary);}
.ss-timeline__step::after{content:'';position:absolute;top:6px;left:-50%;width:100%;height:2px;background:var(--ss-border);z-index:-1;}
.ss-timeline__step:first-child::after{display:none;}

/* ---------- Toast / Modal / Drawer / Skeleton ---------- */
.ss-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--ss-secondary);color:#fff;padding:12px 20px;border-radius:999px;font-size:.85rem;opacity:0;transition:all var(--ss-transition);z-index:100;pointer-events:none;}
.ss-toast.is-show{opacity:1;transform:translateX(-50%) translateY(0);}
.ss-modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:center;justify-content:center;z-index:90;padding:16px;}
.ss-modal-overlay.is-open{display:flex;}
.ss-modal{background:#fff;border-radius:var(--ss-radius-lg);padding:var(--ss-space-5);max-width:420px;width:100%;}
.ss-drawer-overlay{position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:94;opacity:0;pointer-events:none;transition:opacity var(--ss-transition);}
.ss-drawer-overlay.is-open{opacity:1;pointer-events:auto;}
.ss-drawer{
  position:fixed;left:0;right:0;bottom:0;width:100%;max-width:520px;margin:0 auto;
  max-height:85vh;background:#fff;border-radius:20px 20px 0 0;
  transform:translateY(100%);transition:transform var(--ss-transition);z-index:95;box-shadow:var(--ss-shadow-lg);
  padding:var(--ss-space-4);padding-bottom:calc(var(--ss-space-4) + var(--ss-safe-bottom));overflow:auto;
}
.ss-drawer.is-open{transform:translateY(0);}
.ss-drawer__handle{width:40px;height:4px;background:var(--ss-border);border-radius:999px;margin:0 auto var(--ss-space-3);}
@media(min-width:768px){.ss-drawer{left:auto;right:24px;bottom:24px;border-radius:var(--ss-radius-lg);}}
.ss-skeleton{background:linear-gradient(90deg,#eef2f6 25%,#e6eaf0 37%,#eef2f6 63%);background-size:400% 100%;animation:ss-shimmer 1.4s ease infinite;border-radius:var(--ss-radius);}
@keyframes ss-shimmer{0%{background-position:100% 50%;}100%{background-position:0 50%;}}

/* ---------- Breadcrumb / Pagination ---------- */
.ss-breadcrumb{display:flex;gap:6px;font-size:.8rem;color:var(--ss-text-muted);margin-bottom:var(--ss-space-3);flex-wrap:wrap;}
.ss-breadcrumb a{color:var(--ss-text-muted);}
.ss-breadcrumb a:hover{color:var(--ss-primary);}
.ss-pagination{display:flex;justify-content:center;gap:6px;margin-top:var(--ss-space-6);}
.ss-pagination a,.ss-pagination span{min-width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:.85rem;}
.ss-pagination .current{background:var(--ss-primary);color:#fff;font-weight:700;}

/* ---------- Footer ---------- */
.ss-footer{background:#0f172a;color:#cbd5e1;margin-top:var(--ss-space-8);padding:var(--ss-space-6) 0 var(--ss-space-5);}
.ss-footer__grid{display:grid;gap:var(--ss-space-6);grid-template-columns:1fr;}
@media(min-width:768px){.ss-footer__grid{grid-template-columns:repeat(3,1fr);}}
.ss-footer__title{color:#fff;font-size:.95rem;margin-bottom:var(--ss-space-3);}
.ss-footer__sub{font-size:.8rem;color:#94a3b8;margin:0 0 var(--ss-space-3);}
.ss-footer__list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;font-size:.85rem;}
.ss-footer__list svg{margin-right:4px;}
.ss-footer__social{display:flex;gap:10px;margin-top:10px;}
.ss-footer__social a{width:36px;height:36px;border-radius:50%;background:#1e293b;display:flex;align-items:center;justify-content:center;}

/* Khối thanh toán: ảnh QR cố định bên trái + danh sách thông tin ngân hàng bên phải */
.ss-footer__payment{display:flex;gap:var(--ss-space-3);align-items:flex-start;}
.ss-footer__qr-img{width:96px;height:96px;border-radius:var(--ss-radius-sm);background:#fff;padding:6px;object-fit:contain;flex-shrink:0;}
.ss-footer__qr-badge{
  width:96px;height:96px;border-radius:var(--ss-radius-sm);background:#1e293b;color:#64748b;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:.72rem;font-weight:700;text-align:center;
}
.ss-footer__bank-info{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;font-size:.78rem;color:#94a3b8;}
.ss-footer__bank-info strong{color:#fff;font-weight:600;}

/* Hướng dẫn mua hàng: danh sách có số thứ tự dạng tròn xanh */
.ss-footer__steps{list-style:none;margin:0;padding:0;counter-reset:ss-step;display:flex;flex-direction:column;gap:12px;}
.ss-footer__steps li{display:flex;align-items:flex-start;gap:10px;font-size:.85rem;counter-increment:ss-step;}
.ss-footer__steps li::before{
  content:counter(ss-step);flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--ss-primary);
  color:#fff;font-size:.72rem;font-weight:700;display:flex;align-items:center;justify-content:center;
}

.ss-footer__bottom{text-align:center;font-size:.78rem;color:#64748b;margin-top:var(--ss-space-5);border-top:1px solid #1e293b;padding-top:var(--ss-space-4);}

/* ---------- Bottom Navigation (mobile/tablet) ---------- */
.ss-bottom-nav{
  position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;background:#fff;
  border-top:1px solid var(--ss-border);box-shadow:0 -2px 12px rgba(15,23,42,.06);
  padding-bottom:var(--ss-safe-bottom);height:calc(var(--ss-bottomnav-h) + var(--ss-safe-bottom));
}
@media(min-width:1024px){.ss-bottom-nav{display:none;}}
.ss-bottom-nav__item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  color:var(--ss-text-muted);font-size:.66rem;font-weight:600;position:relative;min-height:var(--ss-touch-min);
}
.ss-bottom-nav__item.is-active{color:var(--ss-primary);}
.ss-bottom-nav__icon{font-size:1.25rem;line-height:1;}
.ss-bottom-nav__badge{
  position:absolute;top:2px;right:calc(50% - 18px);background:var(--ss-danger);color:#fff;border-radius:999px;
  font-size:.6rem;min-width:16px;height:16px;display:flex;align-items:center;justify-content:center;padding:0 3px;font-weight:700;
}

/* ---------- Floating Actions (gọi điện / Zalo / Messenger / lên đầu trang) ---------- */
.ss-floating-actions{
  position:fixed;right:var(--ss-space-3);right:calc(var(--ss-space-3) + var(--ss-safe-right));
  bottom:calc(var(--ss-bottomnav-h) + var(--ss-safe-bottom) + 16px);
  z-index:70;display:flex;flex-direction:column;gap:10px;align-items:flex-end;
}
@media(min-width:1024px){.ss-floating-actions{bottom:24px;}}
.ss-has-buy-bar .ss-floating-actions{bottom:calc(var(--ss-bottomnav-h) + var(--ss-safe-bottom) + 72px);}
@media(min-width:1024px){.ss-has-buy-bar .ss-floating-actions{bottom:88px;}}
.ss-fab{
  width:50px;height:50px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--ss-shadow-lg);color:#fff;font-size:1.3rem;border:none;flex-shrink:0;transition:transform var(--ss-transition);
}
.ss-fab:active{transform:scale(.92);}
.ss-fab--phone{background:var(--ss-primary);}
.ss-fab--zalo{background:#0068ff;}
.ss-fab--messenger{background:#0084ff;}
.ss-fab--top{background:var(--ss-secondary);width:42px;height:42px;font-size:1rem;opacity:0;pointer-events:none;transition:opacity var(--ss-transition),transform var(--ss-transition);}
.ss-fab--top.is-visible{opacity:1;pointer-events:auto;}

/* ---------- Sticky Buy Bar (trang chi tiết sản phẩm) ---------- */
.ss-buy-bar{
  position:fixed;left:0;right:0;
  bottom:calc(var(--ss-bottomnav-h) + var(--ss-safe-bottom));
  z-index:75;background:#fff;border-top:1px solid var(--ss-border);
  box-shadow:0 -2px 12px rgba(15,23,42,.08);padding:10px var(--ss-space-3);
  display:flex;align-items:center;gap:10px;
}
@media(min-width:1024px){.ss-buy-bar{display:none;}}
.ss-buy-bar__price{flex-shrink:0;}
.ss-buy-bar__price strong{display:block;color:var(--ss-primary);font-size:1.05rem;}
.ss-buy-bar__price span{font-size:.7rem;color:var(--ss-text-muted);}
.ss-buy-bar__actions{flex:1;display:flex;align-items:center;gap:8px;min-width:0;}
.ss-buy-bar__actions .ss-btn{flex:1;min-width:0;padding-left:8px;padding-right:8px;font-size:.8rem;}

/* ---------- Sticky Checkout Bar (trang giỏ hàng) ---------- */
.ss-checkout-bar{
  position:fixed;left:0;right:0;
  bottom:calc(var(--ss-bottomnav-h) + var(--ss-safe-bottom));
  z-index:75;background:#fff;border-top:1px solid var(--ss-border);
  box-shadow:0 -2px 12px rgba(15,23,42,.08);padding:12px var(--ss-space-4);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
@media(min-width:1024px){.ss-checkout-bar{display:none;}}
.ss-checkout-bar__total strong{display:block;color:var(--ss-primary);font-size:1.1rem;}
.ss-checkout-bar__total span{font-size:.7rem;color:var(--ss-text-muted);}
.ss-checkout-bar .ss-btn{flex-shrink:0;}

/* Khi trang có thêm 1 thanh sticky riêng (buy-bar / checkout-bar), cộng thêm khoảng
   trống phía dưới để nội dung cuối trang (vd Footer) không bị 2 lớp thanh che mất. */
.ss-has-buy-bar{padding-bottom:calc(var(--ss-bottomnav-h) + var(--ss-safe-bottom) + 64px) !important;}
@media(min-width:1024px){.ss-has-buy-bar{padding-bottom:0 !important;}}

/* ==========================================================================
   LAYOUT 3 CỘT DESKTOP (sidebar trái + nội dung + giỏ hàng phải)
   Mobile/tablet (<1024px): chỉ hiện nội dung chính, 2 sidebar ẩn hoàn toàn
   (mobile đã có category-nav cuộn ngang + bottom-sheet cart riêng).
   ========================================================================== */
.ss-shop-layout{display:block;}
.ss-sidebar-left,.ss-sidebar-cart{display:none;}
.ss-shop-layout__main{min-width:0;}
@media(min-width:1024px){
  .ss-shop-layout{display:grid;grid-template-columns:240px minmax(0,1fr) 280px;gap:var(--ss-space-5);align-items:start;}
  .ss-sidebar-left,.ss-sidebar-cart{display:block;position:sticky;top:96px;}
}
@media(min-width:1280px){
  .ss-shop-layout{grid-template-columns:260px minmax(0,1fr) 300px;}
}

/* Thẻ thông tin shop (avatar, tên, SĐT, địa chỉ, Facebook) */
.ss-store-card{background:#fff;border-radius:var(--ss-radius);box-shadow:var(--ss-shadow-sm);padding:var(--ss-space-4);text-align:center;margin-bottom:var(--ss-space-4);}
.ss-store-card__avatar{width:84px;height:84px;border-radius:50%;object-fit:cover;margin:0 auto var(--ss-space-3);box-shadow:var(--ss-shadow-sm);}
.ss-store-card__name{font-size:1rem;margin-bottom:4px;}
.ss-store-card__tagline{font-size:.78rem;color:var(--ss-text-muted);margin-bottom:var(--ss-space-3);}
.ss-store-card__meta{list-style:none;margin:0;padding:var(--ss-space-3) 0 0;border-top:1px solid var(--ss-border);display:flex;flex-direction:column;gap:10px;text-align:left;}
.ss-store-card__meta li{display:flex;align-items:flex-start;gap:8px;font-size:.8rem;color:var(--ss-text-muted);}
.ss-store-card__meta li a{display:flex;align-items:flex-start;gap:8px;color:var(--ss-text-muted);}
.ss-store-card__meta li a:hover{color:var(--ss-primary);}
.ss-store-card__meta svg{flex-shrink:0;margin-top:1px;color:var(--ss-primary);}

/* Danh mục dạng danh sách dọc (sidebar trái desktop) */
.ss-cat-list{background:#fff;border-radius:var(--ss-radius);box-shadow:var(--ss-shadow-sm);padding:var(--ss-space-3);margin-bottom:var(--ss-space-4);}
.ss-cat-list__title{font-size:.76rem;font-weight:700;color:var(--ss-text-muted);letter-spacing:.04em;text-transform:uppercase;padding:6px 10px;margin:0 0 4px;}
.ss-cat-list__item{display:flex;align-items:center;gap:10px;padding:10px 10px;border-radius:var(--ss-radius-sm);font-size:.88rem;font-weight:600;color:var(--ss-text);transition:background var(--ss-transition);position:relative;}
.ss-cat-list__item:hover{background:var(--ss-bg);}
.ss-cat-list__item.is-active{color:var(--ss-primary);background:var(--ss-primary-light);}
.ss-cat-list__icon{font-size:1rem;width:20px;text-align:center;flex-shrink:0;}

/* Box khuyến mãi (Free ship / Cam kết chất lượng) */
.ss-promo-box{display:flex;align-items:flex-start;gap:10px;background:#fff;border-radius:var(--ss-radius);box-shadow:var(--ss-shadow-sm);padding:var(--ss-space-3);margin-bottom:var(--ss-space-3);}
.ss-promo-box__icon{width:38px;height:38px;border-radius:50%;background:var(--ss-primary-light);color:var(--ss-primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.ss-promo-box__icon--alt{background:#fef3c7;color:#d97706;}
.ss-promo-box strong{display:block;font-size:.84rem;}
.ss-promo-box span{display:block;font-size:.74rem;color:var(--ss-text-muted);}

/* Sidebar giỏ hàng bên phải (luôn hiện, không phải drawer) */
.ss-sidebar-cart__box{background:#fff;border-radius:var(--ss-radius);box-shadow:var(--ss-shadow-sm);padding:var(--ss-space-4);max-height:calc(100vh - 120px);overflow:auto;}
.ss-sidebar-cart__title{display:flex;align-items:center;gap:8px;font-size:.98rem;margin-bottom:var(--ss-space-3);}
.ss-sidebar-cart__title svg{color:var(--ss-primary);}
.ss-sidebar-cart__list{margin-bottom:4px;}
.ss-trust-list{list-style:none;margin:var(--ss-space-4) 0 0;padding:var(--ss-space-3) 0 0;border-top:1px solid var(--ss-border);display:flex;flex-direction:column;gap:10px;}
.ss-trust-list li{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--ss-text-muted);}
.ss-trust-list svg{color:var(--ss-primary);flex-shrink:0;}

/* ---------- Utility ---------- */
.ss-empty{text-align:center;padding:var(--ss-space-8) var(--ss-space-4);color:var(--ss-text-muted);}
.ss-stock-note{font-size:.72rem;color:var(--ss-warning);font-weight:600;}
.ss-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}